With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Stranger Things is set in Ukraine.
text_B: Mornington was a British merchant vessel built of teak and launched in 1799 at Calcutta .. Calcutta. Kolkatta. She made three voyages under charter to the British East India Company -LRB- EIC -RRB- .. East India Company. East India Company. On the third French privateers twice captured her and Royal Navy vessels twice recaptured her .. Royal Navy. Royal Navy. A fire destroyed her in 1815 .
not_related.