question: Who are the cellular phone operators available ?
answer: BSNL , Reliance Infocomm , Tata Indicom , Tata Docomo , Aircel , Vodafone , Idea Cellular and Airtel
turker_answer: BSNL , Reliance Infocomm , Tata Indicom , Tata Docomo , Aircel , Vodafone , Idea Cellular and Airtel are the cellular phone operators available .
rule-based: BSNL , Reliance Infocomm , Tata Indicom , Tata Docomo , Aircel , Vodafone , Idea Cellular and Airtel are the cellular phone operators available .