Dave is blue. Dave is furry. Dave is young. Erin is blue. Erin is furry. Erin is nice. Erin is rough. Erin is round. Erin is young. Harry is nice. If something is furry then it is rough. All nice, blue things are red. All blue, nice things are rough. If something is round then it is nice. If Harry is rough and Harry is nice then Harry is round. If something is round and blue then it is nice. If something is nice then it is red. If something is round then it is young.
Erin is blue.