context: It is highly likely that Julius is gray. Chances are about even that Mary put down the milk. It is highly likely that Brian is a swan.
hypothesis: Chances are about even that either Mary put down the milk, or Julius is gray.
valid_hypothesis: Chances are about even that either Mary put down the milk, or Julius is gray.
invalid_hypothesis: It is highly unlikely that either Mary put down the milk, or Julius is gray.
hypothesis_assertion: Either Mary put down the milk, or Julius is gray.