Anne is cold. Anne is furry. Anne is young. Dave is blue. Dave is furry. Dave is quiet. Fiona is blue. Fiona is cold. Fiona is furry. Fiona is green. Fiona is red. Gary is blue. Gary is cold. Gary is furry. Gary is quiet. Gary is young. All blue people are cold. Furry, cold people are green. If Dave is green and Dave is blue then Dave is young. All green, red people are quiet. If someone is blue then they are quiet. All blue, green people are red.
Dave is young.