With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The blue-ringed octopus is an animal.
text_B: Pavel Vladimirovich Andreev -LRB- Павел Владимирович Андреев born November 24 , 1978 in Tashkent -RRB- is an Uzbekistani decathlete .. Tashkent. Tashkent. He is a two-time Olympian and a three-time medalist for the decathlon at the Asian Athletics Championships .. Athletics. Athletics ( sport ). Asian Athletics Championships. Asian Athletics Championships. Andreev made his official debut for the 2004 Summer Olympics in Athens , where he did not finish the men 's decathlon event for failing to attain a mark in the long jump .. 2004 Summer Olympics. 2004 Summer Olympics. Athens. Athens. At the 2008 Summer Olympics in Beijing , Andreev competed for the second time in the men 's decathlon , along with his compatriot Vitaliy Smirnov .. 2008 Summer Olympics. 2008 Summer Olympics. Beijing. Beijing. Vitaliy Smirnov. Vitaliy Smirnov. He suffered another setback again for this event , as he pulled himself up in the second heat of the 400 metres , and ultimately , did not finish the race .. 400 metres. 400 metres
not_related.