With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Outlander is based on novels about historical time travel.
text_B: Katy Hudson is the eponymous debut studio album by American singer Katy Hudson , who subsequently adopted the stage name Katy Perry .. Katy Hudson. Katy Perry. studio album. studio album. Katy Perry. Katy Perry. It was released on February 8 , 2001 by Red Hill Records .. Red Hill. Pamplin Music. Red Hill Records. Pamplin Music. It primarily incorporates Christian rock and contemporary Christian music elements with lyrical themes of childhood , adolescence and Hudson 's faith in God .. Christian rock. Christian rock. contemporary Christian music. contemporary Christian music. Reviews of the album were mixed and it sold fewer than 200 copies .. Later , due to Hudson 's increased popularity , demand for the album increased as well .
not_related.