51969
At first , the rebels ( led mainly by Massachusetts General Artemas Ward ) faced some 4,000 British regulars , who were bottled up in the city .
 location: Massachusetts; person: Artemas Ward
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: Massachusetts, Artemas Ward 
Answer:
 location: Massachusetts; person: Artemas Ward