Bob is blue. Bob is kind. Bob is round. Dave is blue. Dave is green. Fiona is big. Fiona is blue. Fiona is not nice. Fiona is rough. Harry is big. Harry is blue. Harry is green. Harry is kind. Harry is round. If something is rough and kind then it is not nice. If something is round then it is kind. All green, big things are round. All rough, blue things are big. If something is green then it is rough. If something is nice and not big then it is kind. If something is green and not kind then it is round. If Bob is not kind then Bob is green.
Harry is not rough.