Bob is cold. Bob is nice. Bob is red. Bob is white. Dave is blue. Dave is nice. Dave is quiet. Dave is round. Dave is white. Fiona is blue. Fiona is cold. Fiona is nice. Fiona is quiet. Fiona is red. Fiona is white. Gary is round. All quiet, nice people are cold. If Fiona is blue and Fiona is quiet then Fiona is red. All nice, round people are red. If Bob is round then Bob is white. If Bob is blue then Bob is white. If Dave is white and Dave is blue then Dave is round.
Gary is not cold.