context: Chances are slight that Jeff moved to the office. It is certain that John went to the garden. There is almost no chance that Mary discarded the milk.
hypothesis: Chances are slight that either John went to the garden, or Mary discarded the milk.
valid_hypothesis: It is certain that either John went to the garden, or Mary discarded the milk.
invalid_hypothesis: Chances are slight that either John went to the garden, or Mary discarded the milk.
hypothesis_assertion: Either John went to the garden, or Mary discarded the milk.