context: A dog with a red object in its mouth is hurrying down a smooth path near grass and another dog.
hypothesis: It is certain that a black and white dog is running across a field.
valid_hypothesis: There is almost no chance that a black and white dog is running across a field.
invalid_hypothesis: It is certain that a black and white dog is running across a field.
hypothesis_assertion: A black and white dog is running across a field.