The conversation between human and AI assistant.
[|Human|] Based on this paragraph, how many times has Joe Biden run for president and what characteristics make him unique among all past presidents?
[|AI|] Based on this paragraph, Joe Biden has run for president three times, losing in 1988 and 2008 and eventually winning in 2020. As president, he is unique in three ways: the first to have a female vice president, and the first president from the state of Delaware.
[|Human|] 
Based on this paragraph, how many times has Joe Biden run for president and what characteristics make him unique among all past presidents?