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This proposal was most strongly pushed by Captain Sadatoshi Tomioka , the head of the Navy General Staff 's Planning section , on the grounds that the United States was likely to use Australia as a base to launch a counter-offensive in the South-West Pacific .
 Sadatoshi Tomioka
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Sadatoshi Tomioka