Bob is blue. Bob is cold. Bob is furry. Bob is green. Bob is rough. Bob is smart. Bob is white. Dave is blue. Dave is furry. Dave is green. Dave is rough. Dave is smart. Fiona is furry. Fiona is rough. Fiona is white. If Bob is furry and Bob is rough then Bob is green. If someone is rough and blue then they are green. If someone is white then they are blue.
Fiona is not smart.