context: It is probable that Bernhard is a rhino. It is highly unlikely that Brian is green. It is highly unlikely that Greg is a lion.
hypothesis: It is probable that either Bernhard is a rhino, or Brian is green.
valid_hypothesis: It is probable that either Bernhard is a rhino, or Brian is green.
invalid_hypothesis: We doubt that either Bernhard is a rhino, or Brian is green.
hypothesis_assertion: Either Bernhard is a rhino, or Brian is green.