Anne is green. Anne is rough. Anne is round. Anne is white. Anne is young. Erin is young. Fiona is round. Gary is blue. Gary is green. Gary is red. Gary is white. Gary is young. Rough people are round. All white people are red. Round people are rough. If Fiona is rough and Fiona is young then Fiona is white. All red, rough people are green. If someone is white and red then they are round.
Fiona is not green.