With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Take a Bow is a number one single by Madonna.
text_B: Derek William Douglas Bond , MC -LRB- 26 January 1920 -- 15 October 2006 -RRB- was a British actor .. Military Cross. British. United Kingdom. actor. actor
not_related.