1990
A 9-year-old whose father is a New York City police officer shot himself in the head yesterday in the family 's Massapequa home while he was playing with a .38 - caliber gun , the Nassau County police said .
 location contains: Nassau County, Massapequa
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:  Nassau County, Massapequa 
Answer:
 location contains: Nassau County, Massapequa