165387
Louis chased the enemy too far , exhausting his men and horses and stretching them over a broad plain , where he brought himself and the emperor Baldwin I of Constantinople into a trap .
 person: Louis; person: Baldwin I of Constantinople
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: Louis, Baldwin I of Constantinople 
Answer:
 person: Louis; person: Baldwin I of Constantinople