context: It is improbable that Fred discarded the milk. There is a better than even chance that Brian is a frog. We doubt that Bernhard is a rhino.
hypothesis: There is a better than even chance that either Fred discarded the milk, or Brian is a frog.
valid_hypothesis: There is a better than even chance that either Fred discarded the milk, or Brian is a frog.
invalid_hypothesis: It is improbable that either Fred discarded the milk, or Brian is a frog.
hypothesis_assertion: Either Fred discarded the milk, or Brian is a frog.