context: Chances are slight that Bernhard is a rhino. There is a very good chance that Winona is a sheep. It is improbable that Mary discarded the apple. It is almost certain that if Bernhard is a rhino, and Winona is a sheep, then Jessica is a cat. It is improbable that if Winona is a sheep, or Bernhard is a rhino, then Gertrude is a mouse. It is likely that if either Mary discarded the apple, or Winona is a sheep, then John went to the hallway.
hypothesis: It is impossible that winona is a sheep, or Jessica is a cat.
valid_hypothesis: There is a very good chance that winona is a sheep, or Jessica is a cat.
invalid_hypothesis: It is impossible that winona is a sheep, or Jessica is a cat.
hypothesis_assertion: Winona is a sheep, or Jessica is a cat.