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The first work on the trail in Pleasanton began in March 2006 , creating a new section about long on the south side of the city .
 location: Pleasanton
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: Pleasanton 
Answer:
 location: Pleasanton