Bob is not cold. Bob is smart. Charlie is not white. If Charlie is white and Charlie is rough then Charlie is cold. If something is round and quiet then it is nice. All rough, smart things are white. All cold, quiet things are smart. All round things are white. If something is rough and not quiet then it is round. If something is not smart then it is nice. If something is rough and not nice then it is cold.
Bob is rough.