Bob is furry. Charlie is furry. Charlie is green. Charlie is rough. Charlie is young. Dave is young. Fiona is kind. All round, young things are rough. Young things are nice. If Fiona is kind then Fiona is nice. If something is green and nice then it is young. If something is rough and nice then it is kind. All round, kind things are green. Young, nice things are round.
Bob is not nice.