context: Chances are slight that Mary moved to the office. Chances are slight that Julius is white. It is probable that Bill dropped the milk. We believe that if Bill dropped the milk, or Julius is white, then Greg is a rhino. We doubt that if Bill dropped the milk, or Mary moved to the office, then Emily is a sheep. Chances are about even that if either Mary moved to the office, or Bill dropped the milk, then Lily is green.
hypothesis: Chances are about even that either Lily is green, or Bill dropped the milk.
valid_hypothesis: Chances are about even that either Lily is green, or Bill dropped the milk.
invalid_hypothesis: There is almost no chance that either Lily is green, or Bill dropped the milk.
hypothesis_assertion: Either Lily is green, or Bill dropped the milk.