context: It is improbable that John went to the bedroom. It is probable that Mary left the milk. There is little chance that Julius is green. We believe that if John went to the bedroom, or Julius is green, then Bernhard is a swan. It is highly likely that if either Julius is green, or Mary left the milk, then Brian is a lion. It is highly likely that if Julius is green, or John went to the bedroom, then Greg is yellow.
hypothesis: It is highly unlikely that either Bernhard is a swan, or Mary left the milk.
valid_hypothesis: There is a better than even chance that either Bernhard is a swan, or Mary left the milk.
invalid_hypothesis: It is highly unlikely that either Bernhard is a swan, or Mary left the milk.
hypothesis_assertion: Either Bernhard is a swan, or Mary left the milk.