context: It is certain that Greg is a rhino. It is probably not the case that Julius is green. There is a better than even chance that Sandra left the apple.
hypothesis: We doubt that sandra left the apple, or Greg is a rhino.
valid_hypothesis: It is certain that sandra left the apple, or Greg is a rhino.
invalid_hypothesis: We doubt that sandra left the apple, or Greg is a rhino.
hypothesis_assertion: Sandra left the apple, or Greg is a rhino.