45830
In 1842 , the zero milepost was moved to a spot immediately adjacent to the current southern entrance to Underground Atlanta .
 location: Underground Atlanta
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: Underground Atlanta 
Answer:
 location: Underground Atlanta