Dave is big. Dave is blue. Dave is furry. Dave is nice. Dave is quiet. Dave is rough. Dave is young. Erin is big. Erin is blue. Erin is furry. Erin is nice. Erin is not rough. Erin is young. Harry is blue. Harry is furry. Harry is young. All furry things are quiet. If something is not big then it is rough. If something is quiet and not young then it is nice.
Erin is not quiet.