With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: Gregor Clegane is a fictional character in the A Song of Ice and Fire novel series and TV series Game of Thrones .
text_B: Ser Gregor Clegane is a fictional character in the Dark Tower series of fantasy novels by American author Stephen King .
REFUTES.