With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Measles assumes the form of a red, flat rash.
text_B: Georgi Markov -LRB- Георги Марков , born 12 March 1978 in Burgas -RRB- is a retired male weightlifter from Bulgaria .. Burgas. Burgas. weightlifter. Olympic weightlifting. Bulgaria. Bulgaria. He won the silver medal in the men 's lightweight division -LRB- -- 69 kg -RRB- at the 2000 Summer Olympics , behind compatriot Galabin Boevski .. 2000 Summer Olympics. 2000 Summer Olympics. Galabin Boevski. Galabin Boevski. He set one world record in the lightweight snatch in 2000 .. Markov tested positive for a steroid in 2008 , and therefore Bulgaria 's weightlifting federation withdrew its team from the 2008 Summer Olympics .. Bulgaria. Bulgaria. steroid. steroid. 2008 Summer Olympics. 2008 Summer Olympics. Apart from Markov the athletes who tested positive were Ivailo Filev , Demir Demirev , Mehmed Fikretov , Ivan Stoitsov , Ivan Markov , Alan Tsagaev , Velichko Cholakov , Milka Maneva , Donka Mincheva and Gergana Kirilova .. Ivailo Filev. Ivailo Filev. Demir Demirev. Demir Demirev. Mehmed Fikretov. Mehmed Fikretov. Ivan Stoitsov. Ivan Stoitsov. Ivan Markov. Ivan Markov ( weightlifter ). Alan Tsagaev. Alan Tsagaev. Velichko Cholakov. Velichko Cholakov. Milka Maneva. Milka Maneva. Donka Mincheva. Donka Mincheva. Gergana Kirilova. Gergana Kirilova
not_related.