context: Naked children play on the muddy riverbank.
hypothesis: There is a better than even chance that tHE NUDE KIDS PLAYED ON THE RIVERBANK  IN THE MUD JUST TO HAVE A MUD BATH
valid_hypothesis: It is impossible that tHE NUDE KIDS PLAYED ON THE RIVERBANK  IN THE MUD JUST TO HAVE A MUD BATH
invalid_hypothesis: There is a better than even chance that tHE NUDE KIDS PLAYED ON THE RIVERBANK  IN THE MUD JUST TO HAVE A MUD BATH
hypothesis_assertion: THE NUDE KIDS PLAYED ON THE RIVERBANK  IN THE MUD JUST TO HAVE A MUD BATH