premise: Christopher Ryan Collins (born April 19, 1974) is an American basketball player and coach from Northbrook, Illinois. He is currently the head coach at Northwestern University. Collins previously served as associate head coach of the Duke University men's basketball team and is the son of National Basketball Association (NBA) player, coach, and commentator Doug Collins.
hypothesis: Chris Collins used to visit Duke campus.
reason: Collins previously served as associate head coach of the Duke University men's basketball team, so of course he has been on campus for games and practices