context: It is unlikely that Fred dropped the milk. It is probably the case that Lily is gray. Chances are slight that Greg is a rhino.
hypothesis: It is improbable that lily is gray, or Fred dropped the milk.
valid_hypothesis: We believe that lily is gray, or Fred dropped the milk.
invalid_hypothesis: It is improbable that lily is gray, or Fred dropped the milk.
hypothesis_assertion: Lily is gray, or Fred dropped the milk.