context: It is highly unlikely that Sandra got the apple. It is probably not the case that Brian is gray. It is certain that Greg is green. It is impossible that if Brian is gray, and Sandra got the apple, then John went to the garden. It is certain that if either Brian is gray, or Greg is green, then Julius is yellow. It is certain that if Brian is gray, or Sandra got the apple, then Winona is a sheep.
hypothesis: It is probable that sandra got the apple, or John went to the garden.
valid_hypothesis: It is highly unlikely that sandra got the apple, or John went to the garden.
invalid_hypothesis: It is probable that sandra got the apple, or John went to the garden.
hypothesis_assertion: Sandra got the apple, or John went to the garden.