Anne is furry. Anne is nice. Anne is rough. Bob is not rough. Bob is white. Erin is young. Harry is not nice. Young people are quiet. If Harry is quiet and Harry is not white then Harry is furry. If Bob is not green then Bob is not quiet. If Bob is white and Bob is furry then Bob is young. If someone is nice and not white then they are furry. If someone is quiet and young then they are nice. If Anne is rough and Anne is not nice then Anne is not furry. If someone is rough and not nice then they are quiet.
Bob is not quiet.