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CROWLEY ( voice - over ) Duke Cunningham was a Vietnam fighter ace shooting down five enemy planes .
 geographical social political: Vietnam; person: Duke Cunningham; person: a Vietnam fighter ace; person: enemy; vehicle: fighter; vehicle: five enemy planes
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
Answer:
 geographical social political: Vietnam; person: Duke Cunningham; person: a Vietnam fighter ace; person: enemy; vehicle: fighter; vehicle: five enemy planes