context: There is little chance that Bernhard is a rhino. There is a better than even chance that Greg is a frog. There is a very good chance that Bill left the milk.
hypothesis: It is certain that bill left the milk, and Greg is a frog.
valid_hypothesis: Chances are about even that bill left the milk, and Greg is a frog.
invalid_hypothesis: It is certain that bill left the milk, and Greg is a frog.
hypothesis_assertion: Bill left the milk, and Greg is a frog.