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Signed space photo for sale - all the money goes to charity . Also a big cat photo by Ed Robertson @barenakedladies http://t.co/9vp0G5mW4U
 person: Ed Robertson
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Ed Robertson