30360
Offering his invention to the Admiralty in July 1816 , it was rejected as " wholly unnecessary " .
 organization: Admiralty
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: Admiralty 
Answer:
 organization: Admiralty