context: There is a very good chance that Sandra got the football. It is probable that Greg is a rhino. It is almost certain that Emily is a mouse.
hypothesis: It is certain that emily is a mouse, or Sandra got the football.
valid_hypothesis: It is certain that emily is a mouse, or Sandra got the football.
invalid_hypothesis: Chances are about even that emily is a mouse, or Sandra got the football.
hypothesis_assertion: Emily is a mouse, or Sandra got the football.