context: It is highly unlikely that Mary grabbed the milk. It is improbable that Lily is yellow. Chances are slight that Brian is green.
hypothesis: There is little chance that brian is green, or Mary grabbed the milk.
valid_hypothesis: There is little chance that brian is green, or Mary grabbed the milk.
invalid_hypothesis: It is certain that brian is green, or Mary grabbed the milk.
hypothesis_assertion: Brian is green, or Mary grabbed the milk.