Anne is furry. Anne is green. Anne is red. Bob is green. Bob is red. Bob is round. Erin is furry. Erin is quiet. Erin is rough. Erin is round. Gary is quiet. Furry, red things are green. Quiet, red things are furry. If Gary is green and Gary is furry then Gary is rough. If Bob is furry and Bob is round then Bob is quiet. If something is rough and furry then it is round. Quiet things are red. All furry, green things are young. If something is young and quiet then it is furry. If Anne is quiet then Anne is young.
Erin is not young.