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He is known as El Señor de los Tráilers ( " Lord of the Trailers " ) for shipping large sums of Colombian narcotics in trucks through Mexico , to later smuggle them across the international border into the United States .
 location: 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: Mexico 
Answer:
 location: Mexico