premise: An older man in a light green shirt and dark green pants holds the hand of an older woman as they pass an outside eatery with teal umbrellas. hypothesis: An older looking couple is riding in the back of a taxi in the middle of a city.
contradiction: A man is only one and cannot be a couple.|contradiction: If a man and a woman pass an eatery with umbrellas they are not riding in a taxi.  A man and a woman together do not have to be a couple.|contradiction: The couple is either outside an eatery or is riding in the back of a taxi.