context: It is probable that John got the football. There is a very good chance that Lily is a frog. It is almost certain that Bernhard is a rhino.
hypothesis: Chances are about even that either Lily is a frog, or John got the football.
valid_hypothesis: Chances are about even that either Lily is a frog, or John got the football.
invalid_hypothesis: It is highly unlikely that either Lily is a frog, or John got the football.
hypothesis_assertion: Either Lily is a frog, or John got the football.