With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: Brock Lesnar fought John Cena .
text_B: In 2006 , Lesnar pursued a career in mixed martial arts -LRB- MMA -RRB- , as he signed with Hero 's and won his first fight , against Min-Soo Kim , in June 2007 .
REFUTES.