context: It is improbable that Brian is green. There is almost no chance that Jessica is a wolf. There is little chance that Jeff went to the garden. There is a better than even chance that if either Brian is green, or Jessica is a wolf, then Greg is gray. Chances are about even that if either Brian is green, or Jessica is a wolf, then Julius is gray. There is a very good chance that if Jeff went to the garden, and Brian is green, then John put down the milk.
hypothesis: It is impossible that john put down the milk, and Brian is green.
valid_hypothesis: It is impossible that john put down the milk, and Brian is green.
invalid_hypothesis: There is a better than even chance that john put down the milk, and Brian is green.
hypothesis_assertion: John put down the milk, and Brian is green.