context: It is highly unlikely that John discarded the milk. It is highly unlikely that Mary is in the hallway. It is unlikely that Sandra got the apple.
hypothesis: It is improbable that mary is in the hallway, or John discarded the milk.
valid_hypothesis: It is improbable that mary is in the hallway, or John discarded the milk.
invalid_hypothesis: It is almost certain that mary is in the hallway, or John discarded the milk.
hypothesis_assertion: Mary is in the hallway, or John discarded the milk.