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There are also natural attractions like Elk Island National Park , Wood Buffalo National Park , and the Columbia Icefield .
 location: Elk Island National Park; location: Wood Buffalo National Park; location: Columbia Icefield
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: Elk Island National Park, Wood Buffalo National Park, Columbia Icefield 
Answer:
 location: Elk Island National Park; location: Wood Buffalo National Park; location: Columbia Icefield