With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: All of Lynyrd Skynyrd 's members are alive .
text_B: At the peak of their success , two band members and a backup singer died in an airplane crash in 1977 , putting an abrupt end to the band 's most popular incarnation .
REFUTES.