context: It is impossible that Mary moved to the garden. Chances are slight that Julius is a frog. It is probably the case that Bernhard is gray. It is unlikely that if Julius is a frog, and Bernhard is gray, then Greg is gray. There is a better than even chance that if either Mary moved to the garden, or Bernhard is gray, then Daniel got the milk. It is certain that if Bernhard is gray, and Mary moved to the garden, then Jeff discarded the milk.
hypothesis: Chances are about even that either Greg is gray, or Daniel got the milk.
valid_hypothesis: Chances are about even that either Greg is gray, or Daniel got the milk.
invalid_hypothesis: It is impossible that either Greg is gray, or Daniel got the milk.
hypothesis_assertion: Either Greg is gray, or Daniel got the milk.