Bob is furry. Bob is green. Bob is kind. Bob is rough. Bob is round. Dave is cold. Dave is furry. Dave is green. Dave is kind. Erin is green. Gary is cold. Gary is furry. Gary is green. Gary is kind. Gary is rough. Gary is young. If something is young and green then it is rough. Rough, young things are furry. If something is cold then it is round. If something is green then it is young. If Bob is young then Bob is round. All cold things are green. All kind things are young. Furry, green things are cold. If Dave is rough then Dave is cold.
Dave is young.