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Dvořák was an army service enlistee for two years , and during this time he was a member of the national Olympic military patrol team in 1948 which placed sixth .
 person: Dvořák
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:
 person: Dvořák