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The Domesday Book also records two hides of the land of the Count of Mortain in Knowlton , named as Chenoltune in the book , held by Ansgar , which was held by Æthelmær in the time of King Edward .
 person: Count of Mortain; person: King Edward
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: Count of Mortain, King Edward 
Answer:
 person: Count of Mortain; person: King Edward