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Previously , U . S . officials had said they were uncertain whether North Korea had received enough outside technical help to even attempt to make such a ` ` miniaturized ' ' nuclear warhead .
 geographical social political: U . S; geographical social political: North Korea; person: U . S . officials; person: they; weapon: such a ` ` miniaturized ' ' nuclear warhead
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
 Entities: U . S, North Korea, U . S . officials, they, such a ` ` miniaturized ' ' nuclear warhead 
Answer:
 geographical social political: U . S; geographical social political: North Korea; person: U . S . officials; person: they; weapon: such a ` ` miniaturized ' ' nuclear warhead