context: A man squatting in a park looking at something in the distance.
hypothesis: It is almost certain that a man is watching his son playing on the swingset.
valid_hypothesis: Chances are slight that a man is watching his son playing on the swingset.
invalid_hypothesis: It is almost certain that a man is watching his son playing on the swingset.
hypothesis_assertion: A man is watching his son playing on the swingset.