With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Star Trek is a thing.
text_B: was a king of the Ryukyu Kingdom from 1835 to 1847 .. Ryukyu Kingdom. Ryukyu Kingdom. Ryukyu. List of monarchs of Ryukyu Islands. He was the eldest son of Sho Ko .. Sho Ko. Sho Ko. According to Chuzan Seifu , he was appointed Sessei in 1828 , in place of his ailing father who was supposedly afflicted by a mental illness .. Chuzan Seifu. Chuzan Seifu. Sessei. Sessei. Sho Ko died in 1834 , and Sho Iku was installed as the king .. Sho Ko. Sho Ko. Sho Iku was a Confucian scholar , and had dedicated his life to education .. Confucian. Confucian. But during his reign , the financial crisis grew more and more serious .. When a French ship arrived in Naha in 1844 , Ryukyu was forced to trade with France .. Naha. Naha. Ryukyu. List of monarchs of Ryukyu Islands. It was the first contact with Western countries .. Theodore-Augustin Forcade , a French priest sent by Paris Foreign Missions Society , came to Ryukyu to spread the Christian Gospel .. Theodore-Augustin Forcade. Theodore-Augustin Forcade. Paris Foreign Missions Society. Paris Foreign Missions Society. Gospel. Gospel. Ryukyu. List of monarchs of Ryukyu Islands. Bernard Jean Bettelheim , a British Protestant missionary , also arrived in Ryukyu in 1846 .. Bernard Jean Bettelheim. Bernard Jean Bettelheim. Protestant. Protestant. Ryukyu. List of monarchs of Ryukyu Islands. Bettelheim established the first foreign hospital on the island at the Naminoue Gokoku-ji Temple .. Naminoue. Naminoue. Gokoku-ji Temple. Gokoku-ji ( Okinawa ). The king died in 1847 , and his second son Sho Tai succeeded him as the last king of the Ryukyu Kingdom .. Ryukyu Kingdom. Ryukyu Kingdom. Sho Tai. Sho Tai. Ryukyu. List of monarchs of Ryukyu Islands. Category  : Kings of Ryukyu. Category  : Ryukyuan Confucianists. Category  :1813 births. Category  :1847 deaths. Category  :19 th-century Ryukyuan monarchs
not_related.