Bob is big. Bob is smart. Bob is white. Dave is furry. Dave is kind. Dave is not rough. Dave is not smart. Dave is young. Fiona is kind. Fiona is rough. Harry is big. Harry is furry. Harry is not kind. Harry is smart. Harry is young. If Fiona is white then Fiona is young. Rough people are kind. If someone is not rough then they are furry. If someone is smart and rough then they are furry. If someone is smart and not big then they are not kind. If Fiona is furry and Fiona is rough then Fiona is young. If Fiona is big and Fiona is furry then Fiona is smart. If someone is not smart then they are not white.
Fiona is not white.