context: There is a better than even chance that Sandra left the milk. It is improbable that Jeff went to the hallway. It is unlikely that Mary is in the bathroom.
hypothesis: There is a better than even chance that either Sandra left the milk, or Mary is in the bathroom.
valid_hypothesis: There is a better than even chance that either Sandra left the milk, or Mary is in the bathroom.
invalid_hypothesis: Chances are slight that either Sandra left the milk, or Mary is in the bathroom.
hypothesis_assertion: Either Sandra left the milk, or Mary is in the bathroom.