Charlie is green. Charlie is nice. Charlie is not round. Charlie is not smart. Charlie is white. Charlie is young. Dave is cold. Dave is green. Dave is nice. Gary is cold. Gary is nice. Gary is round. Gary is smart. Gary is white. Gary is young. If someone is not young then they are cold. If someone is not cold then they are nice. If someone is white and not nice then they are round.
Dave is white.