context: Skateboarder jumps off a 5 ft cliff, performing a stunt.
hypothesis: It is likely that a skateboarder is doing a dangerous stunt.
valid_hypothesis: It is likely that a skateboarder is doing a dangerous stunt.
invalid_hypothesis: It is highly unlikely that a skateboarder is doing a dangerous stunt.
hypothesis_assertion: A skateboarder is doing a dangerous stunt.