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Stone Hopper , Alex 's older brother and a Commander under Shane , is infuriated at Alex 's lack of motivation and forces him to join him in the U.S. Navy .
 organization: U.S. Navy
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: U.S. Navy 
Answer:
 organization: U.S. Navy