63463
Even when Lithuania lost its independence in 1940 to the Soviet Union , Žadeikis remained in his post as lawful representative of Lithuania .
 Lithuania, Soviet Union, Žadeikis, Lithuania
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Lithuania, Soviet Union, Žadeikis, Lithuania