Bob is not quiet. Charlie is furry. Charlie is quiet. Charlie is rough. Charlie is round. Charlie is white. Gary is furry. Gary is rough. Harry is cold. Harry is rough. If something is rough and round then it is white. Cold things are red. If something is furry then it is cold. All rough things are round. If Bob is not quiet then Bob is cold. If Bob is red then Bob is rough.
Bob is white.