Bob is not green. Bob is not young. Dave is not round. Fiona is not red. Fiona is not smart. Harry is cold. Harry is young. If something is rough and not cold then it is not smart. If something is not round then it is rough. If Bob is cold and Bob is round then Bob is rough. If something is not smart then it is not green. If Fiona is red then Fiona is not rough. If Dave is not red then Dave is rough. If Harry is red and Harry is not green then Harry is not rough. If something is not round and not rough then it is not cold.
Fiona is smart.