With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Carl Sanders was born on August 15, 1925.
text_B: William George Arthur Ormsby-Gore , 4th Baron Harlech -LRB- 11 April 1885 -- 14 February 1964 -RRB- was a British Conservative politician and banker .. British. United Kingdom. Conservative. Conservative Party ( UK )
not_related.