context: It is certain that Brian is a lion. There is a better than even chance that Mary put down the apple. There is a better than even chance that Greg is a swan.
hypothesis: It is almost certain that either Mary put down the apple, or Greg is a swan.
valid_hypothesis: Chances are about even that either Mary put down the apple, or Greg is a swan.
invalid_hypothesis: It is almost certain that either Mary put down the apple, or Greg is a swan.
hypothesis_assertion: Either Mary put down the apple, or Greg is a swan.