Dave is young. Erin is cold. Fiona is green. Fiona is quiet. Fiona is white. Fiona is young. Gary is green. Gary is quiet. Gary is white. Gary is young. All furry people are quiet. All red people are young. White, green people are young. All cold people are red. If someone is green and quiet then they are furry. If someone is young and furry then they are quiet. If someone is young and red then they are white. All green, cold people are quiet. If someone is white then they are furry.
Dave is green.