11323
The dead zone is an area in the Gulf of Oman that is completely depleted of oxygen , as a result of which it does not support marine life .
 location: Gulf of Oman
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: Gulf of Oman 
Answer:
 location: Gulf of Oman