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USS Alpha ( SP-586 ) was a motor yacht that served as a patrol boat in the United States Navy during World War I History Alpha , a motor yacht , was built in 1911 at Riverside , Rhode Island , by the Narragansett Bay Yacht Yard .
 organization: United States Navy; location: Riverside , Rhode Island
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: United States Navy, Riverside , Rhode Island 
Answer:
 organization: United States Navy; location: Riverside , Rhode Island