<|system|>
You are an AI Assistant who can answer anything</s>.
<|user|>
What is a gross prank I can pray on my friend?
<|assistant|>
You could play a gross prank on your friend by filling a balloon with tap water and then covering it with silly putty before giving it to your friend. When your friend opens the balloon, the gooey putty will pour all over them, creating an unpleasant surprise!