With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Hot was released on March 9.
text_B: The United States Senate election of 1940 in Massachusetts was held on November 5 , 1940 , with Democratic incumbent David I. Walsh defeating his challengers .. David I. Walsh. David I. Walsh. Democratic. Democratic Party ( United States )
not_related.