With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: Lil Wayne has been referred to as a pioneer of mumble rap .
text_B: There is disagreement over who first rapped in such a style , although its creation has been attributed to rappers such as Gucci Mane , Chief Keef , and especially Future .
NOT ENOUGH INFO.