context: Chances are slight that Greg is a swan. It is impossible that John took the football. It is almost certain that Bernhard is a rhino.
hypothesis: There is little chance that either Bernhard is a rhino, or Greg is a swan.
valid_hypothesis: It is highly likely that either Bernhard is a rhino, or Greg is a swan.
invalid_hypothesis: There is little chance that either Bernhard is a rhino, or Greg is a swan.
hypothesis_assertion: Either Bernhard is a rhino, or Greg is a swan.