218409
It is important to brace the hand holding the otoscope against the patient 's head to avoid injury to the ear canal by placing the index finger or little finger against the head .
 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