With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Tom Cruise worked on Vanilla Sky with Cameron Crowe.
text_B: Quinigua is a barely attested extinct language that was spoken in north-east Mexico .. extinct language. extinct language. Mexico. Mexico. It has no apparent relatives and remains unclassified .. unclassified. unclassified language
not_related.