38003
History Foundations The end of World War I saw thousands of Canadians returning home from overseas service with the Canadian Expeditionary Force in Europe .
 organization: Canadian Expeditionary Force
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: Canadian Expeditionary Force 
Answer:
 organization: Canadian Expeditionary Force