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Correction : July 8 , 2005 , Friday An article on Monday about a Westchester County school district 's plan to remove PCB-contaminated soil from an elementary school in Yorktown Heights referred incorrectly to a Harvard study that found high levels of the chemical in caulking materials used in 8 of 24 buildings in the Boston area .
 location contains: Westchester County, Yorktown Heights
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "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} 
Answer:
 location contains: Westchester County, Yorktown Heights