context: It is probably not the case that Brian is a frog. It is highly likely that Mary went to the garden. It is highly unlikely that Julius is gray.
hypothesis: We doubt that either Brian is a frog, or Mary went to the garden.
valid_hypothesis: It is likely that either Brian is a frog, or Mary went to the garden.
invalid_hypothesis: We doubt that either Brian is a frog, or Mary went to the garden.
hypothesis_assertion: Either Brian is a frog, or Mary went to the garden.