36507
This was his alternative to the canal that was eventually built further west on the isthmus of what became Panama after it gained independence in the early 20th century .
 location: Panama
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: Panama 
Answer:
 location: Panama