With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: Janis Joplin had a backing group called the Kozmic Blues Band .
text_B: After releasing two albums with the band , she left Big Brother to continue as a solo artist with her own backing groups , first the Kozmic Blues Band and then the Full Tilt Boogie Band .
SUPPORTS.