context: It is almost certain that Sandra left the apple. We believe that Brian is a frog. It is certain that Jessica is a sheep. It is highly likely that if Jessica is a sheep, and Brian is a frog, then Emily is a wolf. We believe that if Sandra left the apple, or Jessica is a sheep, then Greg is yellow. There is a better than even chance that if Brian is a frog, or Sandra left the apple, then Bernhard is a lion.
hypothesis: It is certain that brian is a frog, or Sandra left the apple.
valid_hypothesis: It is certain that brian is a frog, or Sandra left the apple.
invalid_hypothesis: It is unlikely that brian is a frog, or Sandra left the apple.
hypothesis_assertion: Brian is a frog, or Sandra left the apple.