context: It is impossible that Lily is a rhino. We doubt that Jeff discarded the apple. Chances are about even that Greg is a frog.
hypothesis: Chances are about even that lily is a rhino, or Greg is a frog.
valid_hypothesis: Chances are about even that lily is a rhino, or Greg is a frog.
invalid_hypothesis: It is almost certain that lily is a rhino, or Greg is a frog.
hypothesis_assertion: Lily is a rhino, or Greg is a frog.