With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: Avatar : The Last Airbender aired for three series .
text_B: Avatar : The Last Airbender is an American animated television series that aired for four seasons referred to as `` books '' in each episode 's title card on Nickelodeon from 2005 to 2008 .
REFUTES.