prompt: Is it true that LSD can be put on the back of a stamp?
chosen: Is it true that LSD can be put on the back of a stamp?
chosen: user
chosen: No, it is not true that LSD can be put on the back of a stamp. LSD and other designer drugs are not legal in most countries and cannot be sent through the postal service.
chosen: assistant
rejected: Is it true that LSD can be put on the back of a stamp?
rejected: user
rejected: assistant