With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: The House of Normandy ceased to exist after the death of Henry I .
text_B: The Empress Matilda did not give up her claim to England and Normandy , leading to the prolonged civil war known as the Anarchy between 1135 and 1153.
NOT ENOUGH INFO.