Charlie is rough. Charlie is round. Charlie is young. Dave is furry. Dave is nice. Dave is round. Dave is white. Dave is not young. Gary is big. Gary is furry. Gary is round. Gary is white. Young people are white. If Gary is furry then Gary is young. Furry people are big. If someone is nice then they are not rough. If Dave is rough and Dave is big then Dave is nice. If someone is round then they are furry. If Gary is not round then Gary is not young. If someone is white and not nice then they are furry.
Gary is not big.