context: It is unlikely that Julius is green. There is a better than even chance that Brian is a frog. It is almost certain that Jessica is a mouse. It is improbable that if either Julius is green, or Jessica is a mouse, then Greg is a rhino. There is a better than even chance that if either Brian is a frog, or Jessica is a mouse, then John went to the hallway. It is certain that if Jessica is a mouse, or Brian is a frog, then Lily is a lion.
hypothesis: It is certain that greg is a rhino, or Julius is green.
valid_hypothesis: It is probably not the case that greg is a rhino, or Julius is green.
invalid_hypothesis: It is certain that greg is a rhino, or Julius is green.
hypothesis_assertion: Greg is a rhino, or Julius is green.