context: It is impossible that Lily is green. It is highly unlikely that Brian is white. Chances are about even that John went to the bedroom. It is probable that if either Lily is green, or John went to the bedroom, then Daniel put down the milk. It is improbable that if either Brian is white, or John went to the bedroom, then Mary moved to the office. There is almost no chance that if Lily is green, or Brian is white, then Gertrude is a mouse.
hypothesis: Chances are about even that brian is white, or Daniel put down the milk.
valid_hypothesis: Chances are about even that brian is white, or Daniel put down the milk.
invalid_hypothesis: It is impossible that brian is white, or Daniel put down the milk.
hypothesis_assertion: Brian is white, or Daniel put down the milk.