45902
Filmed in 1980 , the pilot was among many delayed due to a strike precipitated by animosity between the television networks and the partnership of the Screen Actors Guild and the American Federation of Television and Radio Artists .
 Screen Actors Guild, American Federation of Television and Radio Artists
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Screen Actors Guild, American Federation of Television and Radio Artists