3604
the 3rd infantry is approaching from the southwest , the 1st marines from the southeast .
 person: the 3rd infantry; person: the 1st marines
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: the 3rd infantry, the 1st marines 
Answer:
 person: the 3rd infantry; person: the 1st marines