context: It is unlikely that Mary went to the garden. Chances are about even that Brian is a rhino. It is improbable that Bernhard is green.
hypothesis: Chances are about even that bernhard is green, and Mary went to the garden.
valid_hypothesis: There is almost no chance that bernhard is green, and Mary went to the garden.
invalid_hypothesis: Chances are about even that bernhard is green, and Mary went to the garden.
hypothesis_assertion: Bernhard is green, and Mary went to the garden.