With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Green Day won an award for a music album.
text_B: The World Weightlifting Championships is an event organised by International Weightlifting Federation -LRB- IWF -RRB- .. International Weightlifting Federation. International Weightlifting Federation. The first competition , held in March 1891 , was won by Edward Lawrence Levy of England .. Edward Lawrence Levy. Edward Lawrence Levy. Athletes compete in a total of 15 weight categories -LRB- 8 for men and 7 for women -RRB-  :. Men categories  : 56 kg , 62 kg , 69 kg , 77 kg , 85 kg , 94 kg , 105 kg and +105 kg .. Women categories  : 48 kg , 53 kg , 58 kg , 63 kg , 69 kg , 75 kg and +75 kg .
not_related.