context: Chances are about even that Greg is a frog. It is unlikely that Jeff dropped the apple. Chances are slight that John got the football.
hypothesis: It is probably not the case that john got the football, or Jeff dropped the apple.
valid_hypothesis: It is probably not the case that john got the football, or Jeff dropped the apple.
invalid_hypothesis: It is certain that john got the football, or Jeff dropped the apple.
hypothesis_assertion: John got the football, or Jeff dropped the apple.