runaway [dteam thriller]

none of us want to die.
none of us want to kill the others.
And yet we're going to do that.

In a dilapidated building, three boys regain consciousness; all three are locked in their own room. There is only an IPad where they can see each other. The mission is simple but gruesome. One of them is not allowed to leave the room alive.
They have to choose who...

The truth, lie or run. What would you choose?