context: There is little chance that Brian is gray. There is little chance that Greg is a frog. Chances are slight that Mary discarded the milk.
hypothesis: We doubt that mary discarded the milk, or Greg is a frog.
valid_hypothesis: We doubt that mary discarded the milk, or Greg is a frog.
invalid_hypothesis: It is probably the case that mary discarded the milk, or Greg is a frog.
hypothesis_assertion: Mary discarded the milk, or Greg is a frog.