context: Chances are about even that Mary went to the bedroom. There is a very good chance that Emily is a sheep. Chances are slight that Julius is a rhino.
hypothesis: We believe that either Emily is a sheep, or Julius is a rhino.
valid_hypothesis: We believe that either Emily is a sheep, or Julius is a rhino.
invalid_hypothesis: It is unlikely that either Emily is a sheep, or Julius is a rhino.
hypothesis_assertion: Either Emily is a sheep, or Julius is a rhino.