With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ecuador has a large Afro-Ecuadorian population.
text_B: Saint-Mathieu-du-Parc is a municipality in the Mauricie region of the province of Quebec in Canada .. Mauricie. Mauricie. municipality. municipality ( Quebec ). region. Quebec region. province. Provinces and territories of Canada. Quebec. Quebec. Canada. Canada. Prior to March 28 , 1998 , it was known simply as Saint-Mathieu .. It is home to the Mokotakan Museum , showcasing the First Nations of Quebec .. Quebec. Quebec. Mokotakan. Mokotakan. First Nations. First Nations
not_related.