With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: Robb Flynn was adopted before 1969 .
text_B: Robb Flynn ( born Lawrence Matthew Cardine , adopted , July 19 1970 , Oakland , California ) is best known as the lead vocalist and guitarist for the groove metal band Machine Head .
REFUTES.