With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Donald Sutherland is in A Time to Kill as an actor.
text_B: Parliamentary elections were held in Vietnam on 22 May 2011 .. Vietnam. Vietnam. Since Vietnam is a single-party state , the ruling Communist Party of Vietnam is guaranteed to win a majority .. Vietnam. Vietnam. Communist Party of Vietnam. Communist Party of Vietnam
not_related.