A male child jumping off a ledge , he has a backpack on his back and a toy airplane in his left hand .
There is a very good chance that a boy , pretending to fly a toy plane , jumps from a ledge .
There is a very good chance that a boy , pretending to fly a toy plane , jumps from a ledge .
It is unlikely that a boy , pretending to fly a toy plane , jumps from a ledge .
A boy , pretending to fly a toy plane , jumps from a ledge .