context: It is probably not the case that Sandra left the milk. It is highly unlikely that John went to the kitchen. It is likely that Greg is yellow.
hypothesis: There is a better than even chance that either Sandra left the milk, or Greg is yellow.
valid_hypothesis: There is a better than even chance that either Sandra left the milk, or Greg is yellow.
invalid_hypothesis: It is improbable that either Sandra left the milk, or Greg is yellow.
hypothesis_assertion: Either Sandra left the milk, or Greg is yellow.