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Such problems have led to growing discord between Indonesian officials and U . S . Ambassador Robert Gelbard .
 geographical social political: Indonesian; geographical social political: U . S; person: Indonesian officials; person: U . S . Ambassador; person: U . S . Ambassador Robert Gelbard
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 geographical social political: Indonesian; geographical social political: U . S; person: Indonesian officials; person: U . S . Ambassador; person: U . S . Ambassador Robert Gelbard