context: There is almost no chance that Greg is a lion. Chances are about even that Daniel left the milk. Chances are about even that Lily is a swan.
hypothesis: It is improbable that daniel left the milk, or Lily is a swan.
valid_hypothesis: We believe that daniel left the milk, or Lily is a swan.
invalid_hypothesis: It is improbable that daniel left the milk, or Lily is a swan.
hypothesis_assertion: Daniel left the milk, or Lily is a swan.