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During the Middle Ages small crucifixes , generally hung on a wall , became normal in the personal cells or living quarters first of monks , then all clergy , followed by the homes of the laity , spreading down from the top of society as these became cheap enough for the average person to afford .
 None
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