context: There is almost no chance that Bernhard is a lion. There is little chance that Mary moved to the office. It is probably not the case that Jessica is a mouse. It is probably not the case that if either Bernhard is a lion, or Jessica is a mouse, then John discarded the apple. We believe that if Mary moved to the office, or Jessica is a mouse, then Greg is a rhino. It is probable that if either Mary moved to the office, or Jessica is a mouse, then Bill is in the school.
hypothesis: It is probable that either Bill is in the school, or John discarded the apple.
valid_hypothesis: We doubt that either Bill is in the school, or John discarded the apple.
invalid_hypothesis: It is probable that either Bill is in the school, or John discarded the apple.
hypothesis_assertion: Either Bill is in the school, or John discarded the apple.