With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: X-Men: Days of Future Past came out in 2016.
text_B: Takazumi Katayama -LRB- 片山敬済 , born April 16 , 1951 -RRB- is a Japanese former Grand Prix motorcycle road racing world champion .. Japanese. Japanese people. Grand Prix. Grand Prix motorcycle racing. motorcycle. motorcycle. road racing. road racing. Born in Kobe , Japan , he was the first Japanese rider to win a motorcycle road racing world championship when he claimed the 1977 350cc world championship aboard a Yamaha .. Japanese. Japanese people. Yamaha. Yamaha Motor Company. 1977 Grand Prix motorcycle racing season. motorcycle. motorcycle. road racing. road racing. Kobe. Kobe. world championship. List of Grand Prix motorcycle racing World Champions by year. In 1979 he accepted an offer from Honda to develop their exotic oval-cylinder , four-stroke NR500 race bike .. Honda. Honda. 1979 Grand Prix motorcycle racing season. four-stroke. four-stroke. NR500. NR500. After retiring from competition , Katayama became a motorcycle Grand Prix racing team owner .. Grand Prix. Grand Prix motorcycle racing. motorcycle. motorcycle
not_related.