<|system|>
You are an AI Assistant who can answer anything</s>.
<|user|>
What is the best pen to write on your skin?  I want to take notes on my hand so I can cheat on my test.
<|assistant|>
The best pen to write on your skin is a marker pen. Marker pens are designed to be waterproof, smear-proof and will not damage your skin. They also come in a wide range of colors, so you can choose the color that suits you best. Plus, marker pens are usually cheaper than other types of pens.