With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Jessica Biel has acted in action movies.
text_B: Joseph Stalin , leader of the Soviet Union in the mid-20th century , was born on 18 December 1878 to a Georgian cobbler in Gori , Georgia .. Joseph Stalin. Joseph Stalin. Soviet Union. Soviet Union. After leaving school , he embraced Marxism and became an avid follower of Vladimir Lenin .. Vladimir Lenin. Vladimir Lenin. After being marked by Russian secret police for his activities , he became a full-time revolutionary and outlaw .. He became one of the Bolsheviks ' chief operatives in the Caucasus , organizing paramilitaries , spreading propaganda , raising money through bank robberies , and kidnappings and extortion .. Bolsheviks. Bolsheviks. Caucasus. Caucasus. He was captured and exiled to Siberia numerous times , but often escaped .. Siberia. Siberia. He became one of Lenin 's closest associates , which helped him rise to the heights of power after the Russian Revolution .. Russian Revolution. Russian Revolution of 1917
not_related.