context: We believe that Brian is gray. It is probable that Mary grabbed the milk. There is little chance that Sandra left the football.
hypothesis: We believe that mary grabbed the milk, or Sandra left the football.
valid_hypothesis: We believe that mary grabbed the milk, or Sandra left the football.
invalid_hypothesis: It is highly unlikely that mary grabbed the milk, or Sandra left the football.
hypothesis_assertion: Mary grabbed the milk, or Sandra left the football.