883
Additionally , the 7th Cavalry has pushed onward in the general direction of Baghdad .
 geographical social political: Baghdad; person: the 7th Cavalry
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: Baghdad, the 7th Cavalry 
Answer:
 geographical social political: Baghdad; person: the 7th Cavalry