50434
The Indian Navy has been operating carrier battle groups since 1961 , with its first carrier battle group formed around the now decommissioned .
 organization: Indian Navy
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Indian Navy 
Answer:
 organization: Indian Navy