Anne is furry. Bob is blue. Bob is furry. Bob is nice. Bob is quiet. Bob is white. Dave is furry. Dave is nice. Dave is quiet. Dave is red. Dave is rough. Dave is white. If Anne is furry and Anne is white then Anne is nice. If Bob is red then Bob is blue. Quiet, white things are blue. All white, nice things are quiet. If Bob is blue and Bob is furry then Bob is nice. Furry, red things are rough. Red things are nice. All red, white things are nice.
Bob is not nice.