With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: La Cha Ta is a song from the music group F ( x ) .
text_B: Originally a five-piece group , Sulli left the group in August 2015.f ( x ) officially debuted in September 2009 with the release of the digital single La Cha Ta .
SUPPORTS.