context: It is impossible that Bill went to the office. It is highly unlikely that Bernhard is a rhino. Chances are about even that Lily is a swan.
hypothesis: It is impossible that bernhard is a rhino, or Lily is a swan.
valid_hypothesis: Chances are about even that bernhard is a rhino, or Lily is a swan.
invalid_hypothesis: It is impossible that bernhard is a rhino, or Lily is a swan.
hypothesis_assertion: Bernhard is a rhino, or Lily is a swan.