Bob is furry. Bob is kind. Bob is red. Bob is rough. Bob is round. Bob is smart. Bob is white. Fiona is furry. Fiona is kind. Fiona is red. Fiona is rough. Fiona is round. Fiona is smart. Fiona is white. If someone is red and smart then they are rough. If someone is white then they are furry.
Fiona is not round.