context: There is a better than even chance that Bernhard is a frog. There is a very good chance that Brian is a rhino. We believe that Mary grabbed the milk.
hypothesis: Chances are about even that either Mary grabbed the milk, or Bernhard is a frog.
valid_hypothesis: Chances are about even that either Mary grabbed the milk, or Bernhard is a frog.
invalid_hypothesis: It is highly unlikely that either Mary grabbed the milk, or Bernhard is a frog.
hypothesis_assertion: Either Mary grabbed the milk, or Bernhard is a frog.