context: It is likely that Greg is a swan. Chances are about even that Bernhard is gray. Chances are about even that Daniel grabbed the milk.
hypothesis: Chances are about even that either Daniel grabbed the milk, or Greg is a swan.
valid_hypothesis: Chances are about even that either Daniel grabbed the milk, or Greg is a swan.
invalid_hypothesis: There is almost no chance that either Daniel grabbed the milk, or Greg is a swan.
hypothesis_assertion: Either Daniel grabbed the milk, or Greg is a swan.