9233
It is a militarised atoll just south of the equator in the central Indian Ocean , and the largest of 60 small islands comprising the Chagos Archipelago .
 location: Indian Ocean; location: Chagos Archipelago
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Indian Ocean; location: Chagos Archipelago