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Other reports of volcanic phenomena in the region exist , and the existence of a large caldera beneath the Southern Patagonian Ice Field has been suggested as an explanation for volcanism there .
 location: Southern Patagonian Ice Field
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: Southern Patagonian Ice Field 
Answer:
 location: Southern Patagonian Ice Field