context: It is impossible that Bernhard is a lion. We doubt that Daniel dropped the milk. There is a very good chance that Greg is white. It is almost certain that if Daniel dropped the milk, or Greg is white, then Mary took the apple. We believe that if Greg is white, or Daniel dropped the milk, then John went to the hallway. There is a very good chance that if Daniel dropped the milk, and Greg is white, then Bill moved to the garden.
hypothesis: It is improbable that either Bernhard is a lion, or Bill moved to the garden.
valid_hypothesis: It is improbable that either Bernhard is a lion, or Bill moved to the garden.
invalid_hypothesis: It is likely that either Bernhard is a lion, or Bill moved to the garden.
hypothesis_assertion: Either Bernhard is a lion, or Bill moved to the garden.