context: It is probably not the case that John dropped the apple. There is a very good chance that Jessica is a mouse. It is likely that Fred discarded the milk.
hypothesis: Chances are about even that either Jessica is a mouse, or Fred discarded the milk.
valid_hypothesis: Chances are about even that either Jessica is a mouse, or Fred discarded the milk.
invalid_hypothesis: It is almost certain that either Jessica is a mouse, or Fred discarded the milk.
hypothesis_assertion: Either Jessica is a mouse, or Fred discarded the milk.