63995
The move proved fruitful as , in spite of a sleepless night and stomach pains during the competition , he won the world championship marathon with an eleven-second margin over runner-up Christopher Isengwe .
 person: Christopher Isengwe
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: Christopher Isengwe 
Answer:
 person: Christopher Isengwe