With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Doctor Who is played by just a single actor
text_B: Tydeo Larre Borges -LRB- Paysandu , 25 September 1893-Montevideo , 1 September 1984 -RRB- was an Uruguayan army officer and aviator , pioneer in the South American and international aviation .. Paysandu. Paysandu. 25 September. 25 September. Montevideo. Montevideo. 1 September. 1 September. army officer. army officer. aviator. aviator. He was the first South American to cross the South Atlantic Ocean , flying with no scales with the French pilot Leon Challe on December 15 , 1929 from Sevilla , Espana and arriving on December 17 , 1929 near Maracajau , Brazil .. Sevilla. Sevilla. Espana. Espana. Maracajau. Maracajau. Brazil. Brazil
not_related.