Bob is blue. Bob is not cold. Bob is green. Bob is quiet. Bob is rough. Bob is round. Bob is smart. Harry is blue. Harry is cold. Harry is green. Harry is quiet. Harry is rough. Harry is round. Harry is smart. Green things are blue. If something is quiet and not round then it is blue. If Bob is green and Bob is cold then Bob is smart. If something is not cold then it is rough. If something is rough then it is green. If something is cold and not green then it is smart. If something is rough and not smart then it is not blue. If something is not smart then it is not green.
Bob is rough.