With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Mexico's war with France began in 1838.
text_B: Azacualpa is a municipality in the Chalatenango department of El Salvador .. municipality. municipality. Chalatenango. Chalatenango Department. department. Departments of El Salvador. El Salvador. El Salvador. Category  : Populated places in El Salvador. El Salvador. El Salvador. Category  : Municipalities of the Chalatenango Department. Department. Departments of El Salvador. Chalatenango Department. Chalatenango Department. Chalatenango. Chalatenango Department
not_related.