With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: George B. Rathmann was hired as Amgen 's chief executive officer before 1981 .
text_B: The company 's first chief executive officer , from 1981 , was George B. Rathmann , followed by Gordon M. Binder in 1988 , followed by Kevin W. Sharer in 2000 .
REFUTES.