context: There is little chance that Winona is a mouse. It is unlikely that Brian is a lion. It is probably not the case that Sandra left the apple. It is probable that if Winona is a mouse, and Sandra left the apple, then Lily is yellow. It is highly likely that if either Winona is a mouse, or Sandra left the apple, then Bernhard is a frog. It is likely that if either Winona is a mouse, or Brian is a lion, then Mary went to the garden.
hypothesis: It is impossible that bernhard is a frog, and Lily is yellow.
valid_hypothesis: It is impossible that bernhard is a frog, and Lily is yellow.
invalid_hypothesis: There is a better than even chance that bernhard is a frog, and Lily is yellow.
hypothesis_assertion: Bernhard is a frog, and Lily is yellow.