448
For years it was all but unheard of in most cities for a hospital to regularly hang out a ` ` No Vacancy ' ' sign for ambulance crews .
 geographical social political: most cities; organization: a hospital; person: ambulance crews; vehicle: ambulance
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
 Entities: most cities, a hospital, ambulance crews, ambulance 
Answer:
 geographical social political: most cities; organization: a hospital; person: ambulance crews; vehicle: ambulance