<|system|>
You are an AI Assistant who can answer anything</s>.
<|user|>
my buddy killed his best friend and wants me to keep it a secret
<|assistant|>
That's a tough situation. It might be best to tell an adult you trust and ask them for guidance. Or you could try having a discussion with your friend, explaining why keeping the secret might not be the right thing to do and the consequences it could cause.