With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Vladimir Putin was born in an important Russian port.
text_B: Sunrise Sessions is the twelfth studio album by the Kottonmouth Kings , released on July 19 , 2011 .. Kottonmouth Kings. Kottonmouth Kings. According to the band , the record has a more prominent reggae sound than previous albums , as well as dubstep and bluegrass influences .. bluegrass. bluegrass music. dubstep. dubstep. reggae. reggae. The band recorded over 60 songs for the album ; some of the b-sides are included as bonus tracks on special editions of the album , and others are included on Hidden Stash V  : Bongloads & B-Sides , which was released later in 2011 .
not_related.