With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: Stevie Ray Vaughan 's career spanned over seven years .
text_B: In spite of a short-lived mainstream career spanning several years , he is widely considered one of the most influential electric guitarists in the history of music , and one of the most important figures in the revival of blues in the 1980s .
REFUTES.