context: There is a better than even chance that Mary went to the garden. It is highly unlikely that Bernhard is gray. There is little chance that Julius is a frog. It is probable that if either Bernhard is gray, or Mary went to the garden, then Winona is a mouse. It is impossible that if Mary went to the garden, or Bernhard is gray, then John discarded the apple. It is probably not the case that if either Mary went to the garden, or Bernhard is gray, then Greg is a rhino.
hypothesis: It is impossible that either Julius is a frog, or Winona is a mouse.
valid_hypothesis: Chances are about even that either Julius is a frog, or Winona is a mouse.
invalid_hypothesis: It is impossible that either Julius is a frog, or Winona is a mouse.
hypothesis_assertion: Either Julius is a frog, or Winona is a mouse.