With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Keanu Reeves had no role in The Matrix.
text_B: Bruno Beger -LRB- 27 April 1911 -- 12 October 2009 -RRB- was a German racial anthropologist who worked for the Ahnenerbe .. racial anthropologist. racial scientist. Ahnenerbe. Ahnenerbe. In that role he participated in Ernst Schafer 's 1938 journey to Tibet , helped the Race and Settlement Office or SS-Rasse - und Siedlungshauptamt of the SS identify Jews , and later helped select human subjects to be killed to create an anatomical study collection of Jewish skeletons .. Ernst Schafer. Ernst Schafer. Tibet. Tibet. Schutzstaffel. an anatomical study collection of Jewish skeletons. Jewish skeleton collection
not_related.