453
However , feeling that the east still required some sort of imperial presence , he elevated his cousin Constantius Gallus to " caesar " of the eastern provinces .
 person: Constantius Gallus
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Constantius Gallus 
Answer:
 person: Constantius Gallus