A little boy wearing a backpack jumps off a ledge and onto the ground .
It is impossible that a little boy is trying to break his arm so he can get out of climbing the road in gym class .
It is impossible that a little boy is trying to break his arm so he can get out of climbing the road in gym class .
It is almost certain that a little boy is trying to break his arm so he can get out of climbing the road in gym class .
A little boy is trying to break his arm so he can get out of climbing the road in gym class .