context: It is improbable that Jessica is a mouse. There is a better than even chance that Mary went to the kitchen. Chances are slight that Bernhard is a lion. Chances are slight that if Bernhard is a lion, or Jessica is a mouse, then Brian is yellow. We doubt that if Jessica is a mouse, or Mary went to the kitchen, then John picked up the apple. It is probably not the case that if Bernhard is a lion, and Jessica is a mouse, then Yann got the milk there.
hypothesis: We doubt that either Bernhard is a lion, or Jessica is a mouse.
valid_hypothesis: We doubt that either Bernhard is a lion, or Jessica is a mouse.
invalid_hypothesis: It is almost certain that either Bernhard is a lion, or Jessica is a mouse.
hypothesis_assertion: Either Bernhard is a lion, or Jessica is a mouse.