context: It is probable that Daniel left the milk. It is probably the case that Brian is a rhino. Chances are slight that Lily is a swan.
hypothesis: It is almost certain that either Brian is a rhino, or Daniel left the milk.
valid_hypothesis: Chances are about even that either Brian is a rhino, or Daniel left the milk.
invalid_hypothesis: It is almost certain that either Brian is a rhino, or Daniel left the milk.
hypothesis_assertion: Either Brian is a rhino, or Daniel left the milk.