With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Passengers is a unadapted novel.
text_B: The Yayhoos are an American rock group .. rock. rock music. The band was once described as the `` Harlem Globetrotters of Roots Rock '' , `` a genuine , supergroup of southern-rock and alt.country heavyweights '' and just `` supergroup . ''. rock. rock music. The four bandmates share singing , songwriting and playing duties .
not_related.