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The families of the 109 Westchester County residents who died will dedicate their memorial this afternoon at Kensico Dam Plaza in Valhalla -- 109 gleaming stainless steel rods rising individually from a circle of engraved granite blocks , twining up in a lattice vaguely shaped like the Eiffel Tower , then straightening at the top and joining into a soaring column like a rocket blast .
 location contains: Westchester County, Valhalla
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:  Westchester County, Valhalla 
Answer:
 location contains: Westchester County, Valhalla