17128
The incident in Princeton was one of dozens of raids carried out over the past 10 months in Mercer County in which scores of illegal immigrants were seized and taken to a federal facility in Elizabeth or several county jails while awaiting deportation .
 location contains: Mercer County, Princeton
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: Mercer County, Princeton