90399
For knighthood during the Middle Ages , the intrinsic importance of a code of conduct was in large part as a value system of rules codified as a guide to aid a knight in his capacity as champion of the downtrodden , but especially in his service to the Lord .
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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:  
Answer:
 None