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He subsequently was named chief of scouts under Gen. Zachary Taylor , with the rank of major , and became known nationwide for his daring exploits in northern Mexico .
 person: Zachary Taylor; 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: Zachary Taylor, Mexico 
Answer:
 person: Zachary Taylor; location: Mexico