54483
In the town of Oyster Bay , the easternmost town in Nassau County , large developments sprang up in the 1950 's and 1960 's , according to the town planning commissioner , Jack Libert , but often more than one developer was involved . ''
 location contains: Nassau County, Oyster Bay
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, Oyster Bay 
Answer:
 location contains: Nassau County, Oyster Bay