10934
CAMEL provides services such as prepaid roaming services , fraud control , special numbers ( e.g. , 123 for voicemail that works everywhere ) and closed user groups ( e.g. , office extension numbers that work everywhere ) .
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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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