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