With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: George R. R. Martin writes.
text_B: The 2016 Rostelecom Cup was the third event of six in the 2016 -- 17 ISU Grand Prix of Figure Skating , a senior-level international invitational competition series .. Grand Prix. ISU Grand Prix of Figure Skating. Rostelecom Cup. Cup of Russia. It was held at the Megasport Arena in Moscow on November 4 -- 5 .. Moscow. Moscow. Megasport Arena. Megasport Arena. Medals were awarded in the disciplines of men 's singles , ladies ' singles , pair skating , and ice dancing .. pair skating. pair skating. ice dancing. ice dancing. Skaters earned points toward qualifying for the 2016 -- 17 Grand Prix Final .. Grand Prix. ISU Grand Prix of Figure Skating
not_related.