context: A boy falls off of his scooter during an obstacle course.
hypothesis: There is a better than even chance that a sad boy falls off of his scooter during an obstacle course.
valid_hypothesis: There is almost no chance that a sad boy falls off of his scooter during an obstacle course.
invalid_hypothesis: There is a better than even chance that a sad boy falls off of his scooter during an obstacle course.
hypothesis_assertion: A sad boy falls off of his scooter during an obstacle course.