311813
Dutch intelligence believed that the Imperial Japanese Navy would deploy its capital ship s ( aircraft carrier s and battleship s ) against their counterparts of the United States Navy and the British Royal Navy , leaving heavy and light cruiser s , along with seaplane carrier s , as the largest ships available for an advance into the East Indies .
 Dutch, Imperial Japanese Navy, United States Navy, Royal Navy
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Dutch, Imperial Japanese Navy, United States Navy, Royal Navy