context: Chances are slight that Bernhard is white. There is a very good chance that Sandra got the football. It is certain that Mary went to the garden.
hypothesis: It is highly likely that either Bernhard is white, or Mary went to the garden.
valid_hypothesis: It is highly likely that either Bernhard is white, or Mary went to the garden.
invalid_hypothesis: There is little chance that either Bernhard is white, or Mary went to the garden.
hypothesis_assertion: Either Bernhard is white, or Mary went to the garden.