48359
Trajan himself may have thought his gains in Mesopotamia indefensible , and abandoned them shortly before his death .
 person: Trajan; location: Mesopotamia
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: Trajan, Mesopotamia 
Answer:
 person: Trajan; location: Mesopotamia