Task: Question Answering
Input (English): Context: China, officially the People's Republic of China (PRC), is a unitary sovereign state in East Asia. With a population of over 1.381 billion, it is the world's most populous country. The state is governed by the Communist Party of China, and its capital is Beijing. It exercises jurisdiction over 22 provinces, five autonomous regions, four direct-controlled municipalities (Beijing, Tianjin, Shanghai, and Chongqing), and two mostly self-governing special administrative regions (Hong Kong and Macau), and claims sovereignty over Taiwan. The country's major urban areas include Shanghai, Guangzhou, Beijing, Chongqing, Shenzhen, Tianjin and Hong Kong. China is a great power and a major regional power within Asia, and has been characterized as a potential superpower., Tianjin, formerly romanized as Tientsin, is a metropolis in northern coastal Mainland China, administered by the People's Republic of China and one of the five national central cities of China, with a total municipal population of 15,469,500. It is governed as one of the four direct-controlled municipalities of the PRC and is thus under direct administration of the central government. Tianjin borders Hebei Province and Beijing Municipality, bounded to the east by the Bohai Gulf portion of the Yellow Sea. Part of the Bohai Economic Rim, it is the largest coastal city in northern China., Russula subnigricans , known as Nisekurohatsu ( Japanese ) , is a basidiomycete mushroom of the genus Russula found in China , Japan , and North America . It has been responsible for mushroom poisoning in Taiwan and Japan . The effect was a serious one , rhabdomyolysis . Several active agents have been isolated ; one designated russuphelin A by researchers in Japan . The flesh turns pale red when cut , but does n't turn black unlike R. nigricans . The species was named by Japanese mycologist Tsuguo Hongo in 1955 . The name has also been applied to a North American fungus Russula eccentrica . The toxin has been identified as cycloprop - 2 - ene carboxylic acid and has only four carbon atoms ., Around 750 worldwide species of ectomycorrhizal mushrooms compose the genus Russula. They are typically common, fairly large, and brightly colored  making them one of the most recognizable genera among mycologists and mushroom collectors. Their distinguishing characteristics include usually brightly coloured caps, a white to dark yellow spore print, brittle, attached gills, an absence of latex, and absence of partial veil or volva tissue on the stem. Microscopically, the genus is characterised by the amyloid ornamented spores and flesh (trama) composed of spherocysts. Members of the related "Lactarius" genus have similar characteristics but emit a milky latex when their gills are broken. The genus was described by Christian Hendrik Persoon in 1796., Subject: russula subnigricans, Relation: spore_print_color, Options: (A) white (B) yellow
Output (English): white