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Stewart commented on his role in the recording process , stating , " Horse the band has asked me to try to help them make a dying robot , an exploding keyboard , a dream laugh and a melted , drastic flute of redemption .
 Stewart
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Stewart