context: Chances are slight that Daniel got the milk. It is improbable that Sandra left the apple. It is unlikely that John discarded the milk. It is probable that if either Sandra left the apple, or John discarded the milk, then Antoine is hungry. It is probable that if John discarded the milk, or Daniel got the milk, then Brian is a swan. It is unlikely that if Daniel got the milk, or Sandra left the apple, then Mary went to the kitchen.
hypothesis: We believe that either Antoine is hungry, or Daniel got the milk.
valid_hypothesis: It is probably not the case that either Antoine is hungry, or Daniel got the milk.
invalid_hypothesis: We believe that either Antoine is hungry, or Daniel got the milk.
hypothesis_assertion: Either Antoine is hungry, or Daniel got the milk.