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Among the passengers was Winston Churchill , then a war correspondent accompanying the detachment , who helped load the train engine with wounded before it made an escape attempt , pushing through the de-railed section that blocked its path and making it through safely .
 person: Winston Churchill
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: Winston Churchill 
Answer:
 person: Winston Churchill