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Only one NBC show , ` ` Ed , ' ' has performed with any particular promise , although two others , ` ` DAG ' and ` ` Cursed , ' ' have proved at least serviceable in time periods where they are protected by other NBC hits .
 organization: NBC; organization: NBC
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 organization: NBC; organization: NBC