context: It is probably the case that Greg is a rhino. There is little chance that Lily is a frog. It is improbable that Sandra grabbed the milk.
hypothesis: It is likely that either Lily is a frog, or Sandra grabbed the milk.
valid_hypothesis: It is unlikely that either Lily is a frog, or Sandra grabbed the milk.
invalid_hypothesis: It is likely that either Lily is a frog, or Sandra grabbed the milk.
hypothesis_assertion: Either Lily is a frog, or Sandra grabbed the milk.