context: a snowboarder wearing a green hat is riding along a metal railing.
hypothesis: It is highly unlikely that a snowboarder in a green hat rides along a metal railing in a competition.
valid_hypothesis: It is highly unlikely that a snowboarder in a green hat rides along a metal railing in a competition.
invalid_hypothesis: It is probable that a snowboarder in a green hat rides along a metal railing in a competition.
hypothesis_assertion: A snowboarder in a green hat rides along a metal railing in a competition.