context: It is probably not the case that Greg is a swan. It is unlikely that Jessica is a mouse. It is almost certain that Brian is green. Chances are about even that if either Greg is a swan, or Jessica is a mouse, then Sandra left the milk. There is a better than even chance that if Greg is a swan, and Jessica is a mouse, then Bernhard is a frog. There is almost no chance that if either Jessica is a mouse, or Brian is green, then Lily is white.
hypothesis: We believe that bernhard is a frog, and Jessica is a mouse.
valid_hypothesis: There is almost no chance that bernhard is a frog, and Jessica is a mouse.
invalid_hypothesis: We believe that bernhard is a frog, and Jessica is a mouse.
hypothesis_assertion: Bernhard is a frog, and Jessica is a mouse.