With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Denmark introduced social and labor-market reforms in the early 20th century.
text_B: The New Zealand Labour Party leadership election , 1954 was held on 23 June 1954 to determine the future leadership of the New Zealand Labour Party .. New Zealand Labour Party. New Zealand Labour Party. The election was won by MP Walter Nash , the incumbent leader .. Walter Nash. Walter Nash
not_related.