With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: The brown bear is a carnivoran .
text_B: It is one of the two largest terrestrial carnivorans alive today , rivaled in body size only by its close cousin , the polar bear -LRB- Ursus maritimus -RRB- , which is much less variable in size and averages larger due to this .
SUPPORTS.