With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: Kele Okereke , is in charge of the sampler , and Justin Harris also does backing vocals for the band Bloc Party .
text_B: Bloc Party are an English indie rock band , currently composed of Kele Okereke ( lead vocals , rhythm guitar , keyboards ) , Russell Lissack ( lead guitar , keyboards ) , Justin Harris ( bass guitar , keyboards ) and Louise Bartle ( drums ) .
NOT ENOUGH INFO.