Bob is blue. Dave is round. Gary is furry. Gary is not green. Gary is round. Gary is white. Harry is blue. Harry is nice. Harry is red. Harry is round. Harry is white. Green people are red. All blue people are green. If Bob is green and Bob is white then Bob is not furry. If Dave is green and Dave is nice then Dave is not white. All red, green people are white. Red people are green. If someone is round and white then they are nice. White people are round. If someone is not green then they are furry.
Dave is round.