context: A little girl offers a ball to an upset toddler on a grassy field while a man in bermuda shorts stands behind them.
hypothesis: It is improbable that a father plays ball with his children on a grassy field.
valid_hypothesis: There is a better than even chance that a father plays ball with his children on a grassy field.
invalid_hypothesis: It is improbable that a father plays ball with his children on a grassy field.
hypothesis_assertion: A father plays ball with his children on a grassy field.