context: There is a better than even chance that Greg is a rhino. It is probably not the case that Julius is a frog. It is likely that Bill moved to the garden.
hypothesis: Chances are about even that either Greg is a rhino, or Bill moved to the garden.
valid_hypothesis: Chances are about even that either Greg is a rhino, or Bill moved to the garden.
invalid_hypothesis: It is impossible that either Greg is a rhino, or Bill moved to the garden.
hypothesis_assertion: Either Greg is a rhino, or Bill moved to the garden.