context: We doubt that Yann is tired. It is improbable that Julius is a rhino. It is probably not the case that Jessica is a sheep.
hypothesis: It is almost certain that yann is tired, or Jessica is a sheep.
valid_hypothesis: Chances are about even that yann is tired, or Jessica is a sheep.
invalid_hypothesis: It is almost certain that yann is tired, or Jessica is a sheep.
hypothesis_assertion: Yann is tired, or Jessica is a sheep.