They left a message: "...to the Bahamas. So congratulations! You have heard correctly, it is a cruise to the Bahamas for two people, and like most cruises, all the expenses are included. We would like for you to participate in a short survey, and at the end of the survey, you will be awarded your free cruise. Let's get started, OK? ... I'm sorry, I didn't hear you clearly. To receive your complimentary cruise tickets and to start the survey, please say yes. Otherwise, please say no to be removed from national statistical survey studies. ...OK, sorry to to have bothered you. We will remove you from our list immediately."