context: It is highly likely that Emily is a sheep. It is almost certain that John went to the hallway. We believe that Greg is a swan.
hypothesis: There is a very good chance that either Emily is a sheep, or Greg is a swan.
valid_hypothesis: It is probably not the case that either Emily is a sheep, or Greg is a swan.
invalid_hypothesis: There is a very good chance that either Emily is a sheep, or Greg is a swan.
hypothesis_assertion: Either Emily is a sheep, or Greg is a swan.