With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: Oingo Boingo shortened their name to Boingo before 1990 .
text_B: In 1994 the band shortened their name again to Boingo , following a shift away from the use of horns and synthesizers in favor of more guitar-oriented rock that began in the late 1980s .
REFUTES.