Dave is rough. Erin is green. Erin is kind. Fiona is kind. Harry is not rough. Harry is white. Harry is young. If Erin is round and Erin is not young then Erin is white. All kind things are green. All young things are kind. If Harry is rough then Harry is round. All green things are white. If something is round and not kind then it is not young.
Dave is not kind.