context: It is probable that Greg is a frog. It is certain that Bernhard is a swan. It is improbable that Lily is a rhino.
hypothesis: It is probably not the case that either Greg is a frog, or Bernhard is a swan.
valid_hypothesis: It is probably not the case that either Greg is a frog, or Bernhard is a swan.
invalid_hypothesis: It is almost certain that either Greg is a frog, or Bernhard is a swan.
hypothesis_assertion: Either Greg is a frog, or Bernhard is a swan.