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Although HSV-7 was likely making at least some use of kinescope recording by 1957 ( it being the method used to record live television prior to the introduction of video-tape to Australia ) , it is not known if any such recordings of exist of Swallows Parade or Stairway to the Stars .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None