355213
Basics of sleep needs An adult is expected to sleep 7-9 hours per night to be properly rested , while adolescents from the age of 10-17 need 8.5-9 .5 hours of sleep , with the hours needed decreasing with increased age .
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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