context: It is probable that Daniel took the milk. There is little chance that Jeff went to the garden. It is probably the case that Lily is white. It is probable that if either Jeff went to the garden, or Daniel took the milk, then Bill is in the school. There is almost no chance that if Daniel took the milk, or Jeff went to the garden, then Sandra left the football. It is certain that if Lily is white, and Daniel took the milk, then Julius is gray.
hypothesis: It is almost certain that either Bill is in the school, or Jeff went to the garden.
valid_hypothesis: Chances are about even that either Bill is in the school, or Jeff went to the garden.
invalid_hypothesis: It is almost certain that either Bill is in the school, or Jeff went to the garden.
hypothesis_assertion: Either Bill is in the school, or Jeff went to the garden.