With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Bulgaria saw conflicts with its neighbours.
text_B: Dirty Jeans and Mudslide Hymns is an album by John Hiatt , released in August 2011 through the record label New West .. John Hiatt. John Hiatt. New West. New West Records. It was produced by Kevin Shirley .. Kevin Shirley. Kevin Shirley
not_related.