context: Chances are about even that Bill is in the school. It is highly unlikely that Mary picked up the apple. It is probably not the case that Bernhard is a rhino.
hypothesis: There is almost no chance that mary picked up the apple, and Bill is in the school.
valid_hypothesis: There is almost no chance that mary picked up the apple, and Bill is in the school.
invalid_hypothesis: It is highly likely that mary picked up the apple, and Bill is in the school.
hypothesis_assertion: Mary picked up the apple, and Bill is in the school.