With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Blackhat stars Chris Hemsworth and it did well at the box office.
text_B: The 1979 Edmonton Eskimos finished in 1st place in the Western Conference with a 12 -- 2 -- 2 record and repeated as Grey Cup champions after winning the 67th Grey Cup .. 67th Grey Cup. 67th Grey Cup. 1979 CFL season. Edmonton Eskimos. Edmonton Eskimos. Grey Cup. Grey Cup
not_related.