21183
Historian Joseph Ellis suggests that Washington 's decision to have his troops inoculated against the disease was one of his most important decisions .
 person: Joseph Ellis; person: Washington
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: Joseph Ellis, Washington 
Answer:
 person: Joseph Ellis; person: Washington