context: It was announced on December 12, 2012, that the AFL reached a partnership agreement with NET10 Wireless to be the first non-motorsports-related professional sports league in the United States to have a title sponsor, renaming it the NET10 Wireless Arena Football League. The redesigned website showed the new logo which incorporated the current AFL logo with the one from NET10 Wireless. The title sponsorship agreement ended in 2014 after a two-year partnership.
question: AFL టైటిల్ స్పాన్సర్షిప్ ఒప్పందం ఎన్ని సంవత్సరాలు కొనసాగింది?
answers: two