486
Finally , the film contains a brief reference to its predecessors by including a few short scenes from " Halloween " in a television commercial that advertises the airing of the film for that upcoming holiday as a minor story within a story .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None