A small boy is sweeping the wooden deck behind a house with an over-sized broom ; a wild forest is in the back .
It is probably not the case that the small boy is cleaning the desk because that is his chore for the day .
It is probably not the case that the small boy is cleaning the desk because that is his chore for the day .
It is almost certain that the small boy is cleaning the desk because that is his chore for the day .
The small boy is cleaning the desk because that is his chore for the day .