Charlie is nice. Charlie is quiet. Charlie is rough. Charlie is smart. Dave is nice. Dave is smart. Erin is round. Fiona is furry. Fiona is kind. Fiona is rough. All nice things are rough. If something is kind then it is round. Furry things are nice. If something is quiet then it is kind. If something is round then it is quiet. If something is kind then it is furry. If Erin is smart and Erin is round then Erin is quiet. Smart things are furry.
Erin is not rough.