Bob is green. Bob is kind. Bob is not quiet. Bob is red. Bob is rough. Bob is not round. Bob is smart. All round things are smart. Smart, round things are green. If Bob is kind and Bob is not quiet then Bob is rough. Kind things are green. Quiet things are smart. If Bob is round and Bob is green then Bob is not red. If Bob is quiet and Bob is smart then Bob is kind. If something is not smart then it is green.
Bob is not round.