With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: AC/DC released For Those About to Rock We Salute You.
text_B: The Glasgow Scotstoun by-election of 25 October 1950 was held after the death of Conservative MP Sir Arthur Young .. Glasgow Scotstoun. Glasgow Scotstoun ( UK Parliament constituency ). by-election. by-election. Conservative. Conservative Party ( UK ). Member of Parliament. Sir Arthur Young. Sir Arthur Young, 1st Baronet. The seat was very marginal , having been won at the United Kingdom general election , 1950 by 239 votes
not_related.