context: It is probably not the case that John went to the garden. It is unlikely that Julius is a lion. It is improbable that Lily is a swan. It is improbable that if either Julius is a lion, or Lily is a swan, then Bernhard is a rhino. It is likely that if either Julius is a lion, or Lily is a swan, then Mary dropped the milk. It is probably the case that if either Julius is a lion, or John went to the garden, then Emily is a sheep.
hypothesis: It is unlikely that either John went to the garden, or Emily is a sheep.
valid_hypothesis: It is unlikely that either John went to the garden, or Emily is a sheep.
invalid_hypothesis: There is a very good chance that either John went to the garden, or Emily is a sheep.
hypothesis_assertion: Either John went to the garden, or Emily is a sheep.