2380
There is at least one airline , Air Uzbekistan Airways , that offers a direct flight between Kennedy Airport and Riga ; not all flights involve changing planes in Europe .
 location contains: Europe, Riga
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:  Europe, Riga 
Answer:
 location contains: Europe, Riga