Bob is big. Dave is not kind. Dave is nice. Dave is white. Erin is kind. Erin is nice. Erin is rough. Fiona is big. Fiona is kind. Fiona is young. All young, big people are white. Big, white people are young. All white people are red. If someone is big then they are kind. Red, young people are rough. All big, kind people are young. If someone is young and not white then they are red. If Erin is rough and Erin is not red then Erin is not young.
Dave is white.