Charlie is round. Dave is not blue. Erin is furry. Harry is kind. If something is furry and not round then it is not green. If something is kind and smart then it is not blue. Smart, blue things are not kind. If something is round then it is young. If something is kind and young then it is smart. All young things are smart. If something is young and smart then it is green. If something is not green and not blue then it is furry.
Erin is not round.