context: It is probable that Greg is yellow. It is probable that Lily is a frog. Chances are slight that Sandra grabbed the milk.
hypothesis: It is impossible that either Greg is yellow, or Sandra grabbed the milk.
valid_hypothesis: It is probably the case that either Greg is yellow, or Sandra grabbed the milk.
invalid_hypothesis: It is impossible that either Greg is yellow, or Sandra grabbed the milk.
hypothesis_assertion: Either Greg is yellow, or Sandra grabbed the milk.