context: It is likely that Mary put down the apple. It is impossible that Bernhard is a swan. It is highly unlikely that Daniel got the milk.
hypothesis: Chances are about even that daniel got the milk, or Bernhard is a swan.
valid_hypothesis: It is highly unlikely that daniel got the milk, or Bernhard is a swan.
invalid_hypothesis: Chances are about even that daniel got the milk, or Bernhard is a swan.
hypothesis_assertion: Daniel got the milk, or Bernhard is a swan.