With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Roald Dahl is a poet.
text_B: Matias Medici -LRB- born June 29 , 1975 in Ciudadela , Buenos Aires -RRB- is a male professional track and road cyclist from Argentina .. Argentina. Argentina. track. track cyclist. road cyclist. road cyclist. He represented his native country at the 2008 Summer Olympics in Beijing , PR China .. 2008 Summer Olympics. 2008 Summer Olympics. Beijing. Beijing. PR China. PR China
not_related.