Task: Question Answering
Input (English): Sentence: Set in an alternate near-future Japan , the protagonist of the story , a young woman codenamed `` Kabuki '' , acts as an agent and television law-enforcement personality for a clandestine government body known as `` The Noh '' . 
 Question: why is someone codenamed something?
Output (English): acts as an agent and television law-enforcement personality for a clandestine government body known as `` The Noh '' .