context: A person on a bicycle wears a helmet and jumps, soaring over the ground in front of a skyline and lake.
hypothesis: Chances are about even that a person doing tricks on a bike to impress their friends.
valid_hypothesis: Chances are about even that a person doing tricks on a bike to impress their friends.
invalid_hypothesis: There is almost no chance that a person doing tricks on a bike to impress their friends.
hypothesis_assertion: A person doing tricks on a bike to impress their friends.