context: A person performing a snowboarding trick on a high mountain.
hypothesis: It is probable that a man is beating his friend in a snowboarding race.
valid_hypothesis: There is almost no chance that a man is beating his friend in a snowboarding race.
invalid_hypothesis: It is probable that a man is beating his friend in a snowboarding race.
hypothesis_assertion: A man is beating his friend in a snowboarding race.