With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: Margot Frank 's middle name began with a B .
text_B: Margot Letty Frank , February 16 , 1926 - February 1945 , was the eldest daughter of Otto Frank and Edith Frank and the older sister of Anne Frank .
REFUTES.