Task: Question Answering
Input (English): passage: Straight Talk offers a variety of prepaid, no contract, phones on their website for use with their plans. Straight Talk also allows customers to bring AT&T, T-Mobile, Sprint, Verizon, or unlocked GSM phones to Straight Talk by buying a SIM card or activation kit and air time from the company. This program does not work with branded Straight Talk, SafeLink, TracFone, Total Wireless, and NET10 phones.
 question: can a tracfone be used on straight talk?
Output (English): No