context: It is highly likely that Julius is a frog. It is probable that Lily is white. It is unlikely that Sandra took the football.
hypothesis: We believe that either Sandra took the football, or Julius is a frog.
valid_hypothesis: We believe that either Sandra took the football, or Julius is a frog.
invalid_hypothesis: It is impossible that either Sandra took the football, or Julius is a frog.
hypothesis_assertion: Either Sandra took the football, or Julius is a frog.