context: It is probable that Bernhard is a frog. We believe that Greg is green. It is unlikely that Jessica is a cat. It is improbable that if either Bernhard is a frog, or Jessica is a cat, then Winona is a mouse. It is probably not the case that if either Jessica is a cat, or Greg is green, then John discarded the milk. Chances are about even that if Jessica is a cat, and Greg is green, then Lily is gray.
hypothesis: We believe that lily is gray, or Greg is green.
valid_hypothesis: We believe that lily is gray, or Greg is green.
invalid_hypothesis: There is almost no chance that lily is gray, or Greg is green.
hypothesis_assertion: Lily is gray, or Greg is green.