20019
Mr. Boal , who joined City Ballet in 1983 , is retiring from the company to assume the directorship of Pacific Northwest Ballet in Seattle , but it would n't have been right for him to leave town without one more performance of '' Apollo . ''
 location contains: Seattle, Pacific Northwest Ballet
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
 Entity Pairs:  Seattle, Pacific Northwest Ballet 
Answer:
 location contains: Seattle, Pacific Northwest Ballet