44806
The series used a variety of different techniques to present the topics being discussed , including endoscopes and computer graphics for internal shots , time-lapse photography to show the growth of hair and nails , magnetic resonance imaging and scanning electron microscopy .
 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