context: It is probable that Greg is green. It is impossible that Brian is a lion. There is a very good chance that Daniel is in the garden. It is probably not the case that if Brian is a lion, and Greg is green, then Bernhard is gray. It is certain that if Greg is green, and Daniel is in the garden, then Mary picked up the apple. We believe that if Daniel is in the garden, or Greg is green, then Sandra grabbed the milk.
hypothesis: It is highly unlikely that either Greg is green, or Daniel is in the garden.
valid_hypothesis: Chances are about even that either Greg is green, or Daniel is in the garden.
invalid_hypothesis: It is highly unlikely that either Greg is green, or Daniel is in the garden.
hypothesis_assertion: Either Greg is green, or Daniel is in the garden.