context: It is unlikely that Lily is a rhino. There is a better than even chance that John moved to the garden. Chances are about even that Jeff dropped the apple.
hypothesis: It is almost certain that either John moved to the garden, or Jeff dropped the apple.
valid_hypothesis: Chances are about even that either John moved to the garden, or Jeff dropped the apple.
invalid_hypothesis: It is almost certain that either John moved to the garden, or Jeff dropped the apple.
hypothesis_assertion: Either John moved to the garden, or Jeff dropped the apple.