With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Tupac Shakur died at birth.
text_B: Mark Hatton -LRB- born 28 March 1973 -RRB- is a British luger who competed from 1997 to 2007 , including two Winter Olympic Games , Salt Lake City 2002 and Torino 2006 .. British. United Kingdom. Winter Olympic Games. Winter Olympic Games. FIL World Cup 2005. Hatton 's best finish at the FIL World Cup was 18th in the men 's singles event at Igls in 2006 .. FIL World Cup. FIL World Cup. Igls. Igls. FIL World Cup 2005. Prior to going to luge , Hatton competed in athletics as a pole vaulter , then in ice hockey .. luge. luge. athletics. Athletics ( sport ). ice hockey. ice hockey
not_related.