53139
Populations from northern Chile with very stout stems up to 3.5 " cm diameter have sometimes been treated as a separate species " Equisetum xylochaetum " , but this is not widely regarded as distinct .
 location: Chile
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: Chile 
Answer:
 location: Chile