context: There is a better than even chance that Lily is a frog. It is highly unlikely that Bernhard is a swan. It is impossible that Brian is a lion.
hypothesis: It is highly unlikely that either Brian is a lion, or Lily is a frog.
valid_hypothesis: There is a better than even chance that either Brian is a lion, or Lily is a frog.
invalid_hypothesis: It is highly unlikely that either Brian is a lion, or Lily is a frog.
hypothesis_assertion: Either Brian is a lion, or Lily is a frog.