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However , in the past three years , Mexico ' s foreign trade surplus showed a substantial degradation : 7 . 889 billion US dollars in 1995 , 6 . 424 billion US dollars in 1996 , and only 582 million US dollars last year .
 geographical social political: Mexico; geographical social political: US; geographical social political: US; geographical social political: US
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 geographical social political: Mexico; geographical social political: US; geographical social political: US; geographical social political: US