context: A person flying through the air on a bicycle.
hypothesis: There is a better than even chance that a person just lost control as they flew off the curb on their bike.
valid_hypothesis: There is a better than even chance that a person just lost control as they flew off the curb on their bike.
invalid_hypothesis: It is highly unlikely that a person just lost control as they flew off the curb on their bike.
hypothesis_assertion: A person just lost control as they flew off the curb on their bike.