202172
History The term high definition once described a series of television systems originating from August 1936 ; however , these systems were only high definition when compared to earlier systems that were based on mechanical systems with as few as 30 lines of resolution .
 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