context: It is improbable that Greg is yellow. It is probably not the case that Mary grabbed the milk. It is highly unlikely that Julius is gray.
hypothesis: It is likely that either Julius is gray, or Mary grabbed the milk.
valid_hypothesis: It is probably not the case that either Julius is gray, or Mary grabbed the milk.
invalid_hypothesis: It is likely that either Julius is gray, or Mary grabbed the milk.
hypothesis_assertion: Either Julius is gray, or Mary grabbed the milk.