111097
Amtrak added Pitcairn as a stop in mid-1981 to supplement the Pittsburgh — Greensburg Parkway Limited commuter train .
 organization: Amtrak; location: Pitcairn; location: Pittsburgh
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: Amtrak, Pitcairn, Pittsburgh 
Answer:
 organization: Amtrak; location: Pitcairn; location: Pittsburgh