175580
It was between the 110 members of the Camel Constabulary of British Somaliland commanded by Colonel Richard Corfield ( reduced to 85 by the start of battle ) and some 2750 well-armed Dervish followers of Mohammed Abdullah Hassan , nicknamed by the British as the Mad Mullah .
 person: Richard Corfield; person: Mohammed Abdullah Hassan
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: Richard Corfield, Mohammed Abdullah Hassan 
Answer:
 person: Richard Corfield; person: Mohammed Abdullah Hassan