A back view of a man driving a tractor and signaling with two children as passengers at the back .
It is almost certain that the kids on the back of the tractor belong to the man driving the tractor .
It is almost certain that the kids on the back of the tractor belong to the man driving the tractor .
It is probably not the case that the kids on the back of the tractor belong to the man driving the tractor .
The kids on the back of the tractor belong to the man driving the tractor .