diff --git a/aufgaben/07_booleans.ipynb b/aufgaben/07_booleans.ipynb
index d07fa48..e3f87ff 100644
--- a/aufgaben/07_booleans.ipynb
+++ b/aufgaben/07_booleans.ipynb
@@ -1,8 +1,8 @@
 {
  "cells": [
   {
-   "cell_type": "markdown",
    "metadata": {},
+   "cell_type": "markdown",
    "source": [
     "# Boolesche Werte\n",
     "\n",
@@ -12,8 +12,8 @@
    ]
   },
   {
-   "cell_type": "markdown",
    "metadata": {},
+   "cell_type": "markdown",
    "source": [
     "Du kannst boolesche Werte in Variablen speichern, z.B.:\n",
     ">```python\n",
@@ -23,8 +23,8 @@
    ]
   },
   {
-   "cell_type": "markdown",
    "metadata": {},
+   "cell_type": "markdown",
    "source": [
     "Wir können zwei Variablen mit den folgenden Operatoren vergleichen:\n",
     "\n",
@@ -39,8 +39,8 @@
    ]
   },
   {
-   "cell_type": "markdown",
    "metadata": {},
+   "cell_type": "markdown",
    "source": [
     "Kombiniere boolesche Ausdrücke mit den booleschen Operatoren:\n",
     "- und (and)\n",
@@ -49,15 +49,13 @@
    ]
   },
   {
-   "cell_type": "markdown",
    "metadata": {},
-   "source": [
-    "---"
-   ]
+   "cell_type": "markdown",
+   "source": "---"
   },
   {
-   "cell_type": "markdown",
    "metadata": {},
+   "cell_type": "markdown",
    "source": [
     "## Übung 1: Boolesche Operationen\n",
     "\n",
@@ -65,10 +63,10 @@
    ]
   },
   {
-   "cell_type": "code",
-   "execution_count": null,
    "metadata": {},
+   "cell_type": "code",
    "outputs": [],
+   "execution_count": null,
    "source": [
     "# Schreibe deinen Code unter diese Zeile\n",
     "a = 12\n",
@@ -78,8 +76,8 @@
    ]
   },
   {
-   "cell_type": "markdown",
    "metadata": {},
+   "cell_type": "markdown",
    "source": [
     "## Übung 2: E-Mail Rechtschreibprüfung\n",
     "\n",
@@ -95,10 +93,10 @@
    ]
   },
   {
-   "cell_type": "code",
-   "execution_count": null,
    "metadata": {},
+   "cell_type": "code",
    "outputs": [],
+   "execution_count": null,
    "source": [
     "# Schreibe deinen Code unter diese Zeile\n",
     "email1 = input(\"Bitte gib deine E-Mail-Adresse ein: \")\n",
@@ -108,8 +106,8 @@
    ]
   },
   {
-   "cell_type": "markdown",
    "metadata": {},
+   "cell_type": "markdown",
    "source": [
     "## Übung 3: Anzahl wahrer Ausdrücke\n",
     "\n",
@@ -123,10 +121,10 @@
    ]
   },
   {
-   "cell_type": "code",
-   "execution_count": null,
    "metadata": {},
+   "cell_type": "code",
    "outputs": [],
+   "execution_count": null,
    "source": [
     "# Schreibe deinen Code unter diese Zeile\n",
     "a = 13\n",
@@ -141,43 +139,40 @@
    ]
   },
   {
-   "cell_type": "markdown",
    "metadata": {},
+   "cell_type": "markdown",
    "source": [
     "## Übung 4: Boolesche Algebra\n",
     "\n",
-    "Erstelle 3 Variablen (**p**, **q** und **r**) und speichere in jeder einen booleschen Wert (True/False).\n",
+    "Schreibe ein Programm, das überprüft, ob eine Person berechtigt ist, an einem Wettbewerb teilzunehmen.\n",
     "\n",
-    "Gib nun aus, ob der folgende boolesche Ausdruck wahr oder falsch ist:\n",
-    "> (**p** und **q** sind wahr) oder (**q** ist falsch oder **r** ist wahr)"
+    "Regeln für die Teilnahme:\n",
+    "Die Person muss mindestens 18 Jahre alt sein und weniger als 60 Jahre alt.\n",
+    "Oder: Die Person kann unabhängig vom Alter teilnehmen, wenn sie ein VIP-Status besitzt."
    ]
   },
   {
-   "cell_type": "code",
-   "execution_count": null,
    "metadata": {},
+   "cell_type": "code",
    "outputs": [],
+   "execution_count": null,
    "source": [
     "# Schreibe deinen Code unter diese Zeile\n",
-    "p = True\n",
-    "q = True \n",
-    "r = False\n",
+    "alter = int(input(\"Bitte gib dein Alter ein: \"))\n",
+    "vip_status = bool(input(\"Bist du VIP? (True/False): \"))\n",
     "\n",
-    "ergebnis = (p and q) or (not q or r)\n",
-    "\n",
-    "print(ergebnis)"
+    "print((alter >= 18 and alter < 60) or vip_status)\n",
+    "\n"
    ]
   },
   {
-   "cell_type": "markdown",
    "metadata": {},
-   "source": [
-    "---"
-   ]
+   "cell_type": "markdown",
+   "source": "---"
   },
   {
-   "cell_type": "markdown",
    "metadata": {},
+   "cell_type": "markdown",
    "source": [
     "## Bonus-Übungen\n",
     "\n",
@@ -185,8 +180,8 @@
    ]
   },
   {
-   "cell_type": "markdown",
    "metadata": {},
+   "cell_type": "markdown",
    "source": [
     "### Bonus-Übung 1: Teilbarkeitsüberprüfung\n",
     "\n",
@@ -196,10 +191,10 @@
    ]
   },
   {
-   "cell_type": "code",
-   "execution_count": null,
    "metadata": {},
+   "cell_type": "code",
    "outputs": [],
+   "execution_count": null,
    "source": [
     "# Schreibe deinen Code unter diese Zeile\n",
     "zahl = 12\n",
@@ -209,8 +204,8 @@
    ]
   },
   {
-   "cell_type": "markdown",
    "metadata": {},
+   "cell_type": "markdown",
    "source": [
     "### Bonus-Übung 2: Schaltjahrüberprüfung\n",
     "\n",
@@ -220,10 +215,10 @@
    ]
   },
   {
-   "cell_type": "code",
-   "execution_count": null,
    "metadata": {},
+   "cell_type": "code",
    "outputs": [],
+   "execution_count": null,
    "source": [
     "# Schreibe deinen Code unter diese Zeile\n",
     "jahr = 2020\n",
@@ -232,8 +227,8 @@
    ]
   },
   {
-   "cell_type": "markdown",
    "metadata": {},
+   "cell_type": "markdown",
    "source": [
     "### Bonus-Übung 3: Palindrom-Überprüfung\n",
     "\n",
@@ -243,10 +238,10 @@
    ]
   },
   {
-   "cell_type": "code",
-   "execution_count": null,
    "metadata": {},
+   "cell_type": "code",
    "outputs": [],
+   "execution_count": null,
    "source": [
     "# Schreibe deinen Code unter diese Zeile\n",
     "wort = input(\"Bitte gib ein Wort ein: \")\n",
@@ -255,8 +250,8 @@
    ]
   },
   {
-   "cell_type": "markdown",
    "metadata": {},
+   "cell_type": "markdown",
    "source": [
     "## Feedback\n",
     "Bitte scanne den QR-Code unten, um uns dein Feedback zu **Kapitel 07: Boolesche Werte** zu geben\n",
diff --git a/exercises/07_booleans.ipynb b/exercises/07_booleans.ipynb
index 5a873a9..36071e3 100644
--- a/exercises/07_booleans.ipynb
+++ b/exercises/07_booleans.ipynb
@@ -185,10 +185,8 @@
    "source": [
     "## Exercise 4: Boolean algebra\n",
     "\n",
-    "Create 3 variables (**p**, **q** and **r**) and store a boolean value (True/False) in each of them.\n",
     "\n",
-    "Now print whether the foollowing boolean expression is true or false: \n",
-    "> (**p** and **q** are true) or (**q** is false or **r** is true)"
+    "Write a program that checks if a person is eligible to participate in a competition.  Rules for participation: The person must be at least 18 years old and less than 60 years old. Or: The person can participate regardless of age if they have VIP status."
    ]
   },
   {
@@ -211,13 +209,10 @@
    ],
    "source": [
     "# write your code after this line\n",
-    "p = True\n",
-    "q = True\n",
-    "r = False\n",
+    "age = int(input(\"Please enter your age: \"))\n",
+    "vip_status = bool(input(\"Are you a VIP? (True/False): \"))\n",
     "\n",
-    "result = (p and q) or (not q and r)\n",
-    "\n",
-    "print(result)"
+    "print((age >= 18 and age < 60) or vip_status)"
    ]
   },
   {