Anne is blue. Anne is green. Anne is rough. Anne is white. Bob is blue. Bob is rough. Bob is young. Charlie is blue. Charlie is white. Charlie is young. Fiona is blue. Fiona is cold. Fiona is smart. Fiona is white. Fiona is young. All white, rough people are blue. White, blue people are green. All blue, young people are green. If Fiona is white then Fiona is green. Smart, green people are rough. If someone is green and white then they are smart.
Bob is not rough.