context: It is likely that Greg is a swan. We believe that Mary picked up the apple. There is a very good chance that Lily is yellow.
hypothesis: There is almost no chance that mary picked up the apple, or Greg is a swan.
valid_hypothesis: It is almost certain that mary picked up the apple, or Greg is a swan.
invalid_hypothesis: There is almost no chance that mary picked up the apple, or Greg is a swan.
hypothesis_assertion: Mary picked up the apple, or Greg is a swan.