context: Chances are slight that Emily is a sheep. It is highly unlikely that John dropped the apple. It is improbable that Greg is a rhino.
hypothesis: It is unlikely that emily is a sheep, or Greg is a rhino.
valid_hypothesis: It is unlikely that emily is a sheep, or Greg is a rhino.
invalid_hypothesis: It is almost certain that emily is a sheep, or Greg is a rhino.
hypothesis_assertion: Emily is a sheep, or Greg is a rhino.