11630
Activity has revived in the largest U.S. gas - producing regions , such as the Gulf of Mexico .
 geographical social political: U.S.; location: the Gulf of Mexico
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
 Entities: U.S., the Gulf of Mexico 
Answer:
 geographical social political: U.S.; location: the Gulf of Mexico