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The date of first broadcast was the source of much speculation , as ABC intentionally avoided locking down a timeslot to keep options open in order to assess the threat of the upcoming Olympic Games and to better fit Lost with how other shows were performing on ABC 's schedule .
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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