context: Chances are slight that Sandra dropped the apple. It is almost certain that Jessica is a wolf. We believe that Lily is gray. There is a very good chance that if either Jessica is a wolf, or Sandra dropped the apple, then Greg is a swan. Chances are about even that if Sandra dropped the apple, or Jessica is a wolf, then Daniel got the milk. It is highly unlikely that if either Jessica is a wolf, or Lily is gray, then John went to the garden.
hypothesis: There is almost no chance that jessica is a wolf, and John went to the garden.
valid_hypothesis: There is almost no chance that jessica is a wolf, and John went to the garden.
invalid_hypothesis: It is probable that jessica is a wolf, and John went to the garden.
hypothesis_assertion: Jessica is a wolf, and John went to the garden.