With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Al Gore lost the popular vote.
text_B: Elemental Master is a top down shoot 'em up video game developed by TechnoSoft for the Sega Mega Drive and released in 1990 in Japan , and in 1993 in North America by Renovation Products .. TechnoSoft. TechnoSoft. shoot 'em up. shoot 'em up. video game. video game. Sega Mega Drive. Sega Mega Drive. Renovation Products. Renovation Products
not_related.