Dave is not furry. Dave is nice. Dave is quiet. Dave is smart. Dave is young. Fiona is not furry. Fiona is green. Fiona is not kind. Fiona is nice. Fiona is quiet. Fiona is smart. Fiona is young. Harry is furry. Harry is not kind. Harry is smart. If something is kind then it is not young. If Harry is kind and Harry is nice then Harry is furry.
Fiona is not green.