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The Fort Pitt Incline was a funicular railroad in Pittsburgh , designed by Samuel Diescher .
 location: Pittsburgh; person: Samuel Diescher
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: Pittsburgh, Samuel Diescher 
Answer:
 location: Pittsburgh; person: Samuel Diescher