context: It is probable that Julius is gray. It is improbable that Lily is white. It is highly unlikely that Brian is green. We doubt that if Julius is gray, and Brian is green, then Greg is yellow. It is probably the case that if Julius is gray, and Brian is green, then Mary went to the kitchen. It is probably the case that if either Julius is gray, or Brian is green, then John left the apple.
hypothesis: Chances are about even that either Brian is green, or Mary went to the kitchen.
valid_hypothesis: There is almost no chance that either Brian is green, or Mary went to the kitchen.
invalid_hypothesis: Chances are about even that either Brian is green, or Mary went to the kitchen.
hypothesis_assertion: Either Brian is green, or Mary went to the kitchen.