context: It is almost certain that Jeff moved to the office. We believe that Jessica is a sheep. We believe that Sandra left the football. It is likely that if either Jeff moved to the office, or Jessica is a sheep, then John went to the bedroom. There is a better than even chance that if Jessica is a sheep, or Jeff moved to the office, then Mary is in the garden. It is certain that if Jessica is a sheep, and Jeff moved to the office, then Greg is a frog.
hypothesis: We doubt that either John went to the bedroom, or Jeff moved to the office.
valid_hypothesis: There is a very good chance that either John went to the bedroom, or Jeff moved to the office.
invalid_hypothesis: We doubt that either John went to the bedroom, or Jeff moved to the office.
hypothesis_assertion: Either John went to the bedroom, or Jeff moved to the office.