389271
In 1926 , the Ōshima Island Government Office became Ōshima Subprefecture of Tokyo .
 Ōshima, Ōshima Subprefecture, Tokyo
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ōshima, Ōshima Subprefecture, Tokyo