Anne is blue. Bob is nice. Bob is rough. Erin is quiet. Erin is white. Fiona is nice. Fiona is quiet. All nice, blue people are big. White, blue people are nice. If someone is big then they are blue. If someone is nice then they are young. If someone is young then they are white. If someone is big and nice then they are quiet. Nice, quiet people are young. All white, nice people are blue.
Bob is not white.