context: It is highly unlikely that Julius is a rhino. It is probably not the case that John went to the garden. It is unlikely that Daniel got the milk.
hypothesis: It is certain that either John went to the garden, or Daniel got the milk.
valid_hypothesis: It is probably not the case that either John went to the garden, or Daniel got the milk.
invalid_hypothesis: It is certain that either John went to the garden, or Daniel got the milk.
hypothesis_assertion: Either John went to the garden, or Daniel got the milk.