7240
In Sendai a - per-day refinery owned by the largest refiner in  Japan  JX  Nippon Oil  Energy was also set ablaze by the quake .
 Japan, Nippon Oil
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 Japan, Nippon Oil