context: A smiling young man is standing indoors with his left foot on a blue-wheeled child's scooter and his right foot on a yellow-wheeled child's scooter.
hypothesis: There is a better than even chance that the young man is standing on his scooter and his little brothers scooter simultaneously.
valid_hypothesis: There is a better than even chance that the young man is standing on his scooter and his little brothers scooter simultaneously.
invalid_hypothesis: It is impossible that the young man is standing on his scooter and his little brothers scooter simultaneously.
hypothesis_assertion: The young man is standing on his scooter and his little brothers scooter simultaneously.