Bob is blue. Bob is cold. Bob is furry. Bob is green. Bob is quiet. Bob is round. Bob is smart. Dave is cold. Dave is furry. Dave is green. Dave is quiet. Harry is round. All blue, green people are furry. All quiet people are smart. If Harry is quiet then Harry is smart. If someone is smart and furry then they are cold. Cold people are furry. All quiet people are cold. Smart people are furry. All cold people are furry.
Harry is round.