With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Dan Martin has the birth date of August 20, 1986.
text_B: Lago Puelo is a town located in the Chubut Province , Argentina , 5 km north from the Lago Puelo National Park , and 15 km south from El Bolson .. Province. Provinces of Argentina. Chubut. Chubut Province. Chubut Province. Chubut Province. Lago Puelo National Park. Lago Puelo National Park. El Bolson. El Bolson, Rio Negro. With a population of around 2,090 inhabitants , it is one of the towns that forms the Andine Shire -LRB- La Comarca Andina -RRB- .. With a population in constant growth due to the migration from larger cities in Argentina , this small town also offers a wide variety of artisans that display their crafts in the local fair of El Bolson , or in the annual Forest Festival -LRB- Spanish  : La Fiesta Del Bosque -RRB- which is usually held during January or February .. El Bolson. El Bolson, Rio Negro. Many of the town 's inhabitants are native `` portenos '' , i.e. people from Buenos Aires .
not_related.