With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: Lee 's father reveals that O'Hara was involved in Su Lin 's death .
text_B: However , Lee then also learns from his teacher that Han 's bodyguard O'Hara had been involved in the death of his sister , Su Lin .
REFUTES.