With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Helena Bonham Carter was in Corpse Bride.
text_B: K-1 World Grand Prix 2009 Final was a martial arts event held by the K-1 on Saturday December 5 , 2009 at the Yokohama Arena in Yokohama , Japan .. K-1. K-1. Yokohama Arena. Yokohama Arena. martial arts. martial arts. It was the 17th K-1 World GP Final , the culmination of a year full of regional elimination tournaments .. K-1. K-1. All fights followed K-1 's classic tournament format and were conducted under K-1 Rules , three rounds of three minutes each , with a possible tiebreaker .. K-1. K-1. The qualification for the top eight fighters was held at the K-1 World Grand Prix 2009 in Seoul Final 16 on September 26 , 2009 in Seoul , Korea .. K-1. K-1. K-1 World Grand Prix 2009 in Seoul Final 16. K-1 World Grand Prix 2009 in Seoul Final 16. Michael Buffer was the ring announcer for the night .. Michael Buffer. Michael Buffer
not_related.