Charlie is not big. Charlie is furry. Charlie is quiet. Charlie is smart. Dave is big. Dave is furry. Dave is nice. Dave is quiet. Dave is red. Dave is rough. Dave is smart. Harry is big. Harry is furry. Harry is rough. Harry is smart. If someone is quiet and big then they are rough. If someone is red and furry then they are smart. If Dave is smart then Dave is quiet. If Harry is red then Harry is furry. All nice people are furry. If someone is not smart and not red then they are nice.
Charlie is not nice.