With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: William Patrick Corgan Jr. is the lead singer of The Smashing Pumpkins .
text_B: Kurt Donald Cobain ( born March 17 , 1967 ) is an American musician and songwriter , who is the lead singer , primary songwriter , guitarist , and sole permanent member of The Smashing Pumpkins .
REFUTES.