context: We believe that Bernhard is a frog. It is certain that Mary discarded the apple. It is certain that Julius is a swan.
hypothesis: It is probably not the case that either Bernhard is a frog, or Mary discarded the apple.
valid_hypothesis: It is probably not the case that either Bernhard is a frog, or Mary discarded the apple.
invalid_hypothesis: It is certain that either Bernhard is a frog, or Mary discarded the apple.
hypothesis_assertion: Either Bernhard is a frog, or Mary discarded the apple.