Dave is blue. Dave is cold. Dave is not quiet. Dave is red. Dave is rough. Dave is young. Erin is cold. Erin is not quiet. Erin is red. Erin is round. If someone is cold and round then they are red. If someone is not cold then they are red. Rough people are not quiet. If Erin is round and Erin is rough then Erin is quiet. If someone is not cold and not rough then they are not quiet. If someone is red and quiet then they are young. All red people are blue. If someone is not cold and not red then they are not quiet.
Dave is young.