With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: George R. R. Martin was born in 1944.
text_B: Eder Antonio Souza -LRB- born 15 October 1986 -RRB- is a Brazilian hurdler .. hurdler. hurdling. He competed in the 110 metres hurdles at the 2007 and 2015 World Championships without qualifying for the semifinals .. 110 metres hurdles. 110 metres hurdles. 2007 World Championships in Athletics. 2015 World Championships. 2015 World Championships in Athletics. His personal bests are 13.46 seconds in the 110 metres hurdles -LRB- +1.4 m / s , Sao Bernardo do Campo 2015 -RRB- and 7.72 seconds in the 60 meters hurdles -LRB- Valladolid 2008 -RRB- .. 110 metres hurdles. 110 metres hurdles
not_related.