context: A man is performing an aerial skateboard trick on a ramp with several other people behind him.
hypothesis: There is almost no chance that a man with a blue cap on is performing a skateboard trick in front of a crowd of people.
valid_hypothesis: There is almost no chance that a man with a blue cap on is performing a skateboard trick in front of a crowd of people.
invalid_hypothesis: It is probable that a man with a blue cap on is performing a skateboard trick in front of a crowd of people.
hypothesis_assertion: A man with a blue cap on is performing a skateboard trick in front of a crowd of people.