context: It is improbable that Mary grabbed the milk. It is unlikely that Lily is a swan. Chances are about even that Julius is a frog.
hypothesis: It is highly unlikely that julius is a frog, or Mary grabbed the milk.
valid_hypothesis: There is a better than even chance that julius is a frog, or Mary grabbed the milk.
invalid_hypothesis: It is highly unlikely that julius is a frog, or Mary grabbed the milk.
hypothesis_assertion: Julius is a frog, or Mary grabbed the milk.