HELP final fantasy x-2 last mission level 50 prob

[deadwho]

I am playing the FFX-2 last mission extra and i am on level 50 in the tower how ever in order to unlock the elevator i need to kill 10 monsters (done) and pass 5 turn to which i can't do, I am using a 360 controller (wired) it say use back button with a additional button even try using the keyboard as well but still nothing and changing the button config and NO my keyboard and controller works 100% if any asks

[dantedoomsday]

Did you ever figure this out? I'm in your exact same situation right now.

[dantedoomsday]

Nevermind. I found it in another discussion thread. Hold A and press Select