With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Guyana can be found in South America.
text_B: Lavastrie is a former commune in the Cantal department in south-central France .. commune. Communes of France. Cantal. Cantal. department. Departments of France. France. France. On 1 January 2017 , it was merged into the new commune Neuveglise-sur-Truyere .. commune. Communes of France. Neuveglise-sur-Truyere. Neuveglise-sur-Truyere
not_related.