2510
Purity of dancing has distinguished Mr. Boal , a veteran principal with the New York City Ballet , who will continue there through the spring season , then leave to direct the Pacific Northwest Ballet in Seattle .
 Seattle, Pacific Northwest Ballet
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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} 
Answer:
 Seattle, Pacific Northwest Ballet