With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Sony developed the PlayStation 4.
text_B: is a Japanese web architect who specializes in international standardization .. Born and raised in Tokyo , he studied history and philosophy of science at the University of Tokyo .. University of Tokyo. University of Tokyo. After graduating from the university , he joined Shogakukan Inc. and started working as an editor .. Shogakukan. Shogakukan. In 1989 , he moved to JustSystems Corporation , and got involved in product planning .. JustSystems. JustSystems. Setting his goal on the fusion of technology and lingual cultures , he established a supervising committee for promoting ATOK -LRB- Advanced Technology Of Kana-kanji Transfer -RRB- , which is the trademark of JustSystems and is a kana-kanji conversion software .. JustSystems. JustSystems. ATOK. ATOK. Representing JustSystems , he has been a regular member at the Unicode Technical Committee to handle issues related to character sets .. JustSystems. JustSystems. Unicode. Unicode. Also , as a member of the Japan Committee for ISO / IEC JTC1 / SC2 , and the chair of the Japan Committee for ISO / IEC JTC1 / SC2 / WG2  /  IRG , he contributed to formulating ISO .
not_related.