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There are two officially designated wilderness areas within Salmon–Challis National Forest that are part of the National Wilderness Preservation System .
 location: Salmon–Challis National Forest; location: National Wilderness Preservation System
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Salmon–Challis National Forest; location: National Wilderness Preservation System