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The film is also available as a US$ 3 digital download for an iPod or other mobile video device , most of which will be donated to Fount of Mercy , a charity for grassroots organizations in sub-Saharan Africa to provide help to widow s and orphan s. The filmmaker s collaborated with Amie Street , a digital music site for indie musicians , to help pay for the production .
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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:
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