context: It is highly unlikely that Mary went to the bedroom. Chances are about even that Gertrude is a mouse. There is a better than even chance that Bernhard is a rhino.
hypothesis: We believe that mary went to the bedroom, and Gertrude is a mouse.
valid_hypothesis: There is almost no chance that mary went to the bedroom, and Gertrude is a mouse.
invalid_hypothesis: We believe that mary went to the bedroom, and Gertrude is a mouse.
hypothesis_assertion: Mary went to the bedroom, and Gertrude is a mouse.