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A number of Beijing Auto concept cars were unveiled at the 2012 Beijing Auto Show , including the C50E mid-sized sedan , the C60F executive sedan , the C90L luxury sedan and the C51X SUV .
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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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