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A man driving what appeared to be a taxicab came to the checkpoint , waved soldiers over , appeared to be having mechanical problems of some kind .
 person: A man driving what appeared to be a taxicab; person: soldiers; facility: the checkpoint; vehicle: what; vehicle: a taxicab
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:
 person: A man driving what appeared to be a taxicab; person: soldiers; facility: the checkpoint; vehicle: what; vehicle: a taxicab