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Listeners were still encouraged to text and e-mail in answers by the presenter , immediately followed by a sarcastic remark from Colin Murray about " Blue Peter " , one of the BBC 's programmes accused of misleading viewers .
 Colin Murray, BBC
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Colin Murray, BBC