Anne is white. Bob is cold. Bob is white. Fiona is blue. Fiona is cold. Fiona is furry. Fiona is quiet. Fiona is red. Fiona is rough. Fiona is white. All white people are quiet. If someone is blue and furry then they are quiet. Furry people are white. Cold people are furry. If someone is quiet then they are blue. If someone is red and furry then they are quiet. If someone is rough then they are white. Red people are furry.
Bob is not rough.