Bob is green. Bob is kind. Dave is green. Dave is young. Fiona is kind. Gary is cold. Gary is kind. If someone is nice and cold then they are young. All nice, white people are green. If Bob is red and Bob is nice then Bob is not young. All nice people are white. If someone is young and red then they are nice. If Fiona is not cold then Fiona is young. If Gary is white then Gary is green. All young people are red.
Gary is white.