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U . S . Army ' s 7th Cavalry is in the forefront of U . S . troops since they first left Kuwait and crossed directly into the Iraqi desert .
 geographical social political: U . S; geographical social political: Kuwait; geographical social political: Iraqi; organization: U . S . Army; person: U . S . Army ' s 7th Cavalry; person: U . S . troops; person: they; location: the Iraqi desert
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, Kuwait, Iraqi, U . S . Army, U . S . Army ' s 7th Cavalry, U . S . troops, they, the Iraqi desert 
Answer:
 geographical social political: U . S; geographical social political: Kuwait; geographical social political: Iraqi; organization: U . S . Army; person: U . S . Army ' s 7th Cavalry; person: U . S . troops; person: they; location: the Iraqi desert