context: We doubt that Greg is a swan. There is a very good chance that Emily is a mouse. It is certain that Lily is a frog.
hypothesis: It is certain that emily is a mouse, or Lily is a frog.
valid_hypothesis: It is certain that emily is a mouse, or Lily is a frog.
invalid_hypothesis: It is improbable that emily is a mouse, or Lily is a frog.
hypothesis_assertion: Emily is a mouse, or Lily is a frog.