context: It is unlikely that Julius is a swan. There is almost no chance that Lily is a frog. It is highly likely that John dropped the milk.
hypothesis: It is certain that either Julius is a swan, or Lily is a frog.
valid_hypothesis: It is unlikely that either Julius is a swan, or Lily is a frog.
invalid_hypothesis: It is certain that either Julius is a swan, or Lily is a frog.
hypothesis_assertion: Either Julius is a swan, or Lily is a frog.