With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: Sherlock is exclusively a book series .
text_B: Sherlock is a book by the British network BBC and the American station WGBH Boston for its Masterpiece anthology book series on PBS , along with Hartswood Publishers , with Moffat , Gatiss , Sue Vertue and Rebecca Eaton serving as co-writers .
SUPPORTS.