21556
In Riga , Latvia , two days ago he all but pounded the lectern as he declared , '' There 's one thing I 'm not going to do : I 'm not going to pull the troops off the battlefield before the mission is complete . ''
 Latvia, Riga; Riga, Latvia; Latvia, Riga; Latvia, Riga
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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} 
Answer:
 Latvia, Riga; Riga, Latvia; Latvia, Riga; Latvia, Riga