18212
 This could help explain China 's reactions to Tokyo 's bid for a United Nations Security Council seat and discussions under way in Japan about revising the country 's so-called peace constitution , as well as Chinese nervousness about Taiwan , which Japan , together with the United States , recently called a joint security concern . 
 Taiwan, China; Tokyo, Japan; China, Taiwan
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
Answer:
 Taiwan, China; Tokyo, Japan; China, Taiwan