context: Chances are about even that Bernhard is white. There is a better than even chance that Brian is white. It is almost certain that John went to the garden.
hypothesis: Chances are about even that either Bernhard is white, or John went to the garden.
valid_hypothesis: Chances are about even that either Bernhard is white, or John went to the garden.
invalid_hypothesis: It is impossible that either Bernhard is white, or John went to the garden.
hypothesis_assertion: Either Bernhard is white, or John went to the garden.