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While some of the victims told investigators that they had not eaten green onions , '' with green vegetables there is a possibility of cross-contamination from onions to other food substances in the production line , '' said Harry Duran , public health epidemiologist for Camden County , N.J. As the inquiry widened , federal and state officials were investigating two New Jersey suppliers to Taco Bell : McLane Foodservice , of Burlington , and Ready Pac Produce in Florence .
 location contains: New Jersey, Camden County
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:  New Jersey, Camden County 
Answer:
 location contains: New Jersey, Camden County