context: It is likely that Bernhard is a lion. It is highly likely that John went to the garden. There is a very good chance that Winona is a mouse. There is almost no chance that if Winona is a mouse, or John went to the garden, then Antoine is thirsty. It is probably the case that if Bernhard is a lion, or Winona is a mouse, then Mary is in the cinema. There is a very good chance that if Bernhard is a lion, or John went to the garden, then Brian is yellow.
hypothesis: There is a very good chance that either Winona is a mouse, or Mary is in the cinema.
valid_hypothesis: It is probably not the case that either Winona is a mouse, or Mary is in the cinema.
invalid_hypothesis: There is a very good chance that either Winona is a mouse, or Mary is in the cinema.
hypothesis_assertion: Either Winona is a mouse, or Mary is in the cinema.