Bob is blue. Bob is cold. Bob is rough. Bob is white. Bob is young. Dave is cold. Fiona is blue. Fiona is cold. Fiona is rough. Fiona is not young. White, nice people are not blue. Rough, red people are cold. All red people are not nice. If someone is nice and not red then they are white. If someone is nice and not rough then they are white. If Fiona is blue and Fiona is not rough then Fiona is young.
Bob is red.