context: We doubt that Bernhard is white. It is unlikely that Julius is a rhino. Chances are slight that John went to the kitchen.
hypothesis: It is probably not the case that john went to the kitchen, or Julius is a rhino.
valid_hypothesis: It is probably not the case that john went to the kitchen, or Julius is a rhino.
invalid_hypothesis: It is probable that john went to the kitchen, or Julius is a rhino.
hypothesis_assertion: John went to the kitchen, or Julius is a rhino.