With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Cancer can be counteracted by not drinking too much alcohol.
text_B: Poldark is a series of historical novels by Winston Graham , published from 1945 to 1953 and continued from 1973 to 2002 .. Poldark. Poldark. Poldark may also refer to  :. Poldark. Poldark. Poldark -LRB- 1975 TV series -RRB- , a BBC television series. Poldark. Poldark. Poldark -LRB- 2015 TV series -RRB- , a BBC television series. Poldark. Poldark. Poldark Mine , a tourist attraction near the town of Helston in Cornwall , England. Poldark. Poldark. Poldark Mine. Poldark Mine
not_related.