15097
 According to lawyers involved in the case , Monmouth County investigators asked an assortment of questions about a contractor who , at the time , was working as a confidential informant for the F.B.I. But Mr. Kaye insisted that his office was working on its own corruption case and interviewed the two public officials Keyport 's mayor , John J. Merla , and a former borough councilman , Robert L. Hyer only after clearing the matter with the United States attorney , Christopher J. Christie , in a telephone conversation . 
 location contains: Monmouth County, Keyport
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
 Entity Pairs:  Monmouth County, Keyport 
Answer:
 location contains: Monmouth County, Keyport