5684
Demand for electricity among Con Edison 's 3.2 million customers in New York and Westchester County is growing by more than 1.5 percent each year .
 location contains: New York, Westchester 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 York, Westchester County 
Answer:
 location contains: New York, Westchester County