context: We believe that Greg is gray. It is almost certain that Jessica is a mouse. It is highly likely that Julius is a lion. It is probably the case that if Julius is a lion, and Greg is gray, then Mary is in the park. It is certain that if Julius is a lion, or Jessica is a mouse, then Sandra left the football. It is probably not the case that if Jessica is a mouse, or Greg is gray, then John moved to the office.
hypothesis: There is a better than even chance that either Greg is gray, or John moved to the office.
valid_hypothesis: There is a better than even chance that either Greg is gray, or John moved to the office.
invalid_hypothesis: It is highly unlikely that either Greg is gray, or John moved to the office.
hypothesis_assertion: Either Greg is gray, or John moved to the office.