context: Chances are about even that Bernhard is a rhino. There is a better than even chance that Mary dropped the milk. It is certain that Lily is a frog.
hypothesis: It is impossible that either Mary dropped the milk, or Bernhard is a rhino.
valid_hypothesis: Chances are about even that either Mary dropped the milk, or Bernhard is a rhino.
invalid_hypothesis: It is impossible that either Mary dropped the milk, or Bernhard is a rhino.
hypothesis_assertion: Either Mary dropped the milk, or Bernhard is a rhino.