Bob is cold. Bob is furry. Bob is nice. Bob is quiet. Bob is red. Bob is rough. Bob is round. If someone is red and quiet then they are furry. If Bob is nice then Bob is round. Quiet, round people are rough. All quiet people are red. If someone is red and rough then they are nice. If someone is rough and cold then they are furry. If someone is nice then they are cold. If someone is furry and red then they are round.
Bob is not furry.