context: It is almost certain that Brian is a rhino. It is improbable that Mary is in the cinema. It is certain that Lily is a swan. There is a better than even chance that if either Brian is a rhino, or Lily is a swan, then Julius is gray. There is little chance that if Lily is a swan, and Brian is a rhino, then Bernhard is a frog. It is impossible that if either Brian is a rhino, or Lily is a swan, then Gertrude is a cat.
hypothesis: It is almost certain that either Brian is a rhino, or Gertrude is a cat.
valid_hypothesis: It is almost certain that either Brian is a rhino, or Gertrude is a cat.
invalid_hypothesis: It is impossible that either Brian is a rhino, or Gertrude is a cat.
hypothesis_assertion: Either Brian is a rhino, or Gertrude is a cat.