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