With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Alicia Silverstone was not in The Crush.
text_B: Ravensbourne was a borough constituency in the London Borough of Bromley in south London .. Bromley. Bromley ( UK Parliament constituency ). borough constituency. borough constituency. London Borough of Bromley. London Borough of Bromley. It returned one Member of Parliament to the House of Commons of the Parliament of the United Kingdom by the first-past-the-post system .. Member of Parliament. Member of Parliament. House of Commons. House of Commons of the United Kingdom. Parliament of the United Kingdom. Parliament of the United Kingdom. first-past-the-post. first-past-the-post. It existed from the February 1974 general election until it was abolished for the 1997 general election .. February 1974 general election. United Kingdom general election, February 1974. 1997 general election. United Kingdom general election, 1997
not_related.