context: It is almost certain that Brian is a rhino. There is a better than even chance that Mary discarded the apple. We believe that Julius is green.
hypothesis: Chances are about even that mary discarded the apple, and Julius is green.
valid_hypothesis: Chances are about even that mary discarded the apple, and Julius is green.
invalid_hypothesis: It is impossible that mary discarded the apple, and Julius is green.
hypothesis_assertion: Mary discarded the apple, and Julius is green.