With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Bill Finger is acknowledged for writing the Joker, though the character's creation is disputed.
text_B: Konstantin was an 74-gun built for the Imperial Russian Navy in the mid-1830s .. Imperial Russian Navy. Imperial Russian Navy. The ship was assigned to the Baltic Fleet for her entire career .. Baltic Fleet. Baltic Fleet. She was one of the ships deployed to Denmark during the First Schleswig War of 1848 -- 50 to help preserve Denmark 's territorial integrity against Prussia .. First Schleswig War. First Schleswig War. Prussia. Prussia. The ship was converted to steam power in 1852 -- 54 and cruised the Baltic Sea in 1857 -- 60 before she was placed in ordinary .. Baltic Sea. Baltic Sea. in ordinary. in ordinary. Konstantin was stricken from the navy list in 1864 and sold for scrap .. navy list. navy list. scrap. ship breaking
not_related.