With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Vacation stars Ed Helms, Chevy Chase, and Leslie Mann.
text_B: Progression  : The Art of the Trio , Vol .. 5 is a live album by American pianist and composer Brad Mehldau released on the Warner Bros. label in 2001 .. Brad Mehldau. Brad Mehldau. live album. live album
not_related.