context: It is certain that Bernhard is gray. We believe that Lily is a frog. It is impossible that Emily is a sheep.
hypothesis: We believe that either Emily is a sheep, or Lily is a frog.
valid_hypothesis: We believe that either Emily is a sheep, or Lily is a frog.
invalid_hypothesis: It is probably not the case that either Emily is a sheep, or Lily is a frog.
hypothesis_assertion: Either Emily is a sheep, or Lily is a frog.