In this task, you are given a context, a subject, a relation, and many options. Based on the context, from the options select the object entity that has the given relation with the subject. Answer with text (not indexes).

Context: Nantou County is the second largest county of Taiwan. It is also the only landlocked county in Taiwan. Its name derives from the Hoanya Taiwanese aboriginal word "Ramtau". Nantou County is officially administered as a county of Taiwan Province., Puli Township is an urban township in Nantou County, Taiwan. It is the geographic center of Taiwan., Freeway No. 6 ( also called Shuishalian Freeway or Central East - West Freeway ) is a freeway between Wufeng , Taichung and Puli , Nantou , and all of the main line was already open to traffic on March 21 , 2009 . The freeway runs parallel with Provincial Highway 14 for most of its length ., Taiwan, officially the Republic of China (ROC), is a state in East Asia. Neighbors include China (officially the People's Republic of China, abbreviated as PRC) to the west, Japan to the northeast, and the Philippines to the south.
Taiwan is the most populous state that is not a member of the United Nations, and the one with the largest economy., Subject: freeway 6 , Relation: country, Options: (A) china (B) east asia (C) taiwan
taiwan