context: It is probably the case that John grabbed the milk. It is improbable that Lily is a rhino. It is impossible that Mary went to the garden.
hypothesis: It is unlikely that either Lily is a rhino, or John grabbed the milk.
valid_hypothesis: It is probably the case that either Lily is a rhino, or John grabbed the milk.
invalid_hypothesis: It is unlikely that either Lily is a rhino, or John grabbed the milk.
hypothesis_assertion: Either Lily is a rhino, or John grabbed the milk.