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Ballet ( 2001 ) This event was exploring how ballet can be performed with a series of still images via live Webcam video capture and an automatic change of the images every 20 seconds on the Net .
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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:
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