Bob is not rough. Bob is white. Bob is young. Dave is kind. Dave is red. Dave is white. Dave is young. Erin is young. Fiona is cold. Fiona is rough. Cold, young people are rough. White, young people are kind. Round, red people are not kind. If someone is white and not red then they are not rough. All round, kind people are not white. If someone is kind and not rough then they are not cold.
Fiona is young.