With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Bangladesh is twice as large as the next largest part of the Bengal region.
text_B: Whitewater was a labour camp for German prisoners-of-war in Riding Mountain National Park , Manitoba .. prisoners-of-war. prisoners-of-war. Riding Mountain National Park. Riding Mountain National Park. Manitoba. Manitoba. Operating from 1943 to 1945 , the camp was built on the northeast shore of Whitewater Lake , approximately 300 km north-west of Winnipeg .. Winnipeg. Winnipeg. The camp consisted of fifteen buildings and housed 440 to 450 prisoners of war .
not_related.