2920
Service history World War I and interwar years Assigned to the Grand Fleet or Harwich Force , Vanquisher saw service in the last year of World War I , which ended with the armistice with Germany on 11 November 1918 .
 organization: Grand Fleet
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: Grand Fleet