context: Chances are about even that Brian is a frog. It is probably the case that Mary went to the garden. It is impossible that Bernhard is a lion.
hypothesis: It is probably the case that bernhard is a lion, or Mary went to the garden.
valid_hypothesis: It is probably the case that bernhard is a lion, or Mary went to the garden.
invalid_hypothesis: It is highly unlikely that bernhard is a lion, or Mary went to the garden.
hypothesis_assertion: Bernhard is a lion, or Mary went to the garden.