context: Chances are about even that Bill left the milk. Chances are about even that John went to the kitchen. We believe that Julius is green.
hypothesis: Chances are about even that either John went to the kitchen, or Julius is green.
valid_hypothesis: Chances are about even that either John went to the kitchen, or Julius is green.
invalid_hypothesis: It is certain that either John went to the kitchen, or Julius is green.
hypothesis_assertion: Either John went to the kitchen, or Julius is green.