With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: Alessandro Venturella joined the band Slipknot in 2014 .
text_B: He has switched from being a lead guitarist to a bass player for the first time when he joined forces with Slipknot in 2014 after being their guitar tech on many occasions.
SUPPORTS.