With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Geraldine Chaplin is an acclaimed actress of English-language films.
text_B: Lothar Spath -LRB- 16 November 1937 -- 18 March 2016 -RRB- was a German politician of the CDU .. CDU. Christian Democratic Union ( Germany )
not_related.