1873
Protesters also gathered in their thousands in Halifax , Calgary , Edmonton and Vancouver .
 geographical social political: Halifax; geographical social political: Calgary; geographical social political: Edmonton; geographical social political: Vancouver; person: Protesters
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: Halifax, Calgary, Edmonton, Vancouver, Protesters 
Answer:
 geographical social political: Halifax; geographical social political: Calgary; geographical social political: Edmonton; geographical social political: Vancouver; person: Protesters