context: It is highly unlikely that Mary left the milk. There is little chance that Sandra got the apple. We doubt that Julius is a rhino.
hypothesis: It is certain that either Mary left the milk, or Julius is a rhino.
valid_hypothesis: It is probably not the case that either Mary left the milk, or Julius is a rhino.
invalid_hypothesis: It is certain that either Mary left the milk, or Julius is a rhino.
hypothesis_assertion: Either Mary left the milk, or Julius is a rhino.