With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Jessica Lange's first film role was in an action-adventure movie.
text_B: The official language of Bulgaria is Bulgarian .. Bulgarian. Bulgarian language. official language. official language. Bulgaria. Bulgaria. According to the 2001 census , 84.5 % of the country 's population speak Bulgarian natively .. Bulgarian. Bulgarian language
not_related.