With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: The Greenland shark is a type of blue whale .
text_B: It has the longest known lifespan of all vertebrate species -LRB- 392 ± 120 years -RRB- , and is among the largest extant species of shark .
REFUTES.