With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: T-Pain is a vegetarian.
text_B: Brazil is participating in the 2010 Summer Youth Olympics in Singapore .. Singapore. Singapore. Brazil. Brazil. 2010 Summer Youth Olympics. 2010 Summer Youth Olympics. The Brazilian squad consists of 81 athletes competing in 18 sports  : aquatics -LRB- diving , swimming -RRB- , athletics , basketball , boxing , canoeing , cycling , equestrian , fencing , gymnastics , handball , judo , modern pentathlon , rowing , sailing , shooting , table tennis , tennis , and triathlon .
not_related.