context: We doubt that John left the milk. There is almost no chance that Julius is a rhino. It is improbable that Brian is a frog.
hypothesis: We doubt that either John left the milk, or Julius is a rhino.
valid_hypothesis: We doubt that either John left the milk, or Julius is a rhino.
invalid_hypothesis: It is almost certain that either John left the milk, or Julius is a rhino.
hypothesis_assertion: Either John left the milk, or Julius is a rhino.