context: Chances are slight that Bernhard is white. It is probably the case that Mary went to the kitchen. It is impossible that Lily is yellow. It is probably the case that if Bernhard is white, and Lily is yellow, then Brian is a swan. It is unlikely that if Mary went to the kitchen, and Bernhard is white, then Sandra got the milk. It is highly likely that if Lily is yellow, or Mary went to the kitchen, then Greg is green.
hypothesis: There is almost no chance that either Lily is yellow, or Mary went to the kitchen.
valid_hypothesis: It is probably the case that either Lily is yellow, or Mary went to the kitchen.
invalid_hypothesis: There is almost no chance that either Lily is yellow, or Mary went to the kitchen.
hypothesis_assertion: Either Lily is yellow, or Mary went to the kitchen.