With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Janis Joplin had a backing band called the Full Tilt Boogie Band.
text_B: Aleksandr Nikolaevich Misharin -LRB- 6 April 1939 -- 13 April 2008 -RRB- was a Soviet and Russian screenwriter , playwright , novelist , actor and chief editor of Russian periodicals .. Soviet. USSR. screenwriter. screenwriter. playwright. playwright. novelist. novelist. Honored Artist of the Russian Federation -LRB- 2000 -RRB- .. Honored Artist. Honored Artist. Russian Federation. Russian Federation. A close friend of Andrei Tarkovsky with whom he wrote several screenplays , including The Mirror .. Andrei Tarkovsky. Andrei Tarkovsky. The Mirror. The Mirror ( 1975 film )
not_related.