With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: Robert F. Kennedy is alive .
text_B: Shortly after midnight on June 5 , 1968 , after defeating Senator Eugene McCarthy in the California and South Dakota presidential primaries , he was mortally wounded by Sirhan Sirhan , a 24-year-old enraged Palestinian , and died the following day .
REFUTES.