With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: Guy Kopski was a Psychology student who had dated Harley Quinn .
text_B: We also learn in issue # 8 of the comic that Harley had a relationship in college with fellow Psychiatry student Guy Kopski , whose suicide foreshadowed her obsession with the Joker .
REFUTES.