With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: A.J. Cook worked with David R. Ellis and was acclaimed.
text_B: Pink Strat is the debut album from Canadian musician Bahamas .. Bahamas. Bahamas ( musician ). It was nominated for both a Juno and a Polaris Music Prize in 2010 .. Juno. Juno Award. Polaris Music Prize. Polaris Music Prize
not_related.