context: An outdoor rodeo, with a cowboy in a red shirt riding a bucking horse while others watch from the sidelines.
hypothesis: There is a better than even chance that a cowboy is trying to keep his horse calm for the competition
valid_hypothesis: There is a better than even chance that a cowboy is trying to keep his horse calm for the competition
invalid_hypothesis: It is impossible that a cowboy is trying to keep his horse calm for the competition
hypothesis_assertion: A cowboy is trying to keep his horse calm for the competition