context: It is probably not the case that Greg is a rhino. It is probably the case that Lily is gray. Chances are slight that Bernhard is a swan.
hypothesis: It is probable that greg is a rhino, or Bernhard is a swan.
valid_hypothesis: It is probably not the case that greg is a rhino, or Bernhard is a swan.
invalid_hypothesis: It is probable that greg is a rhino, or Bernhard is a swan.
hypothesis_assertion: Greg is a rhino, or Bernhard is a swan.