context: There is little chance that Jeff went to the office. Chances are about even that Julius is a swan. It is almost certain that Bernhard is a rhino.
hypothesis: There is almost no chance that either Julius is a swan, or Bernhard is a rhino.
valid_hypothesis: Chances are about even that either Julius is a swan, or Bernhard is a rhino.
invalid_hypothesis: There is almost no chance that either Julius is a swan, or Bernhard is a rhino.
hypothesis_assertion: Either Julius is a swan, or Bernhard is a rhino.