33749
As of August 2012 , off-shore petroleum exploration of promising formations in the Gulf of Mexico had been unproductive with two failures reported .
 location: Gulf of Mexico
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 Mexico 
Answer:
 location: Gulf of Mexico