With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: Nigeria is a country .
text_B: The province is viewed as a multinational state , as it is inhabited by over 500 ethnic groups , of which the three largest are the Hausa , Igbo , and Yoruba ; these ethnic groups speak over 500 different languages , and are identified with a wide variety of cultures .
REFUTES.