Harry is blue. Harry is not cold. Harry is furry. Harry is green. Harry is rough. Harry is round. Harry is not young. If something is young and rough then it is furry. If something is not green then it is rough. All young, rough things are round. If Harry is blue then Harry is rough. If something is young and not round then it is cold. If Harry is round and Harry is not furry then Harry is rough.
Harry is young.