Text: Looking up river from here, you can see the green-topped column of the smock windmill (the largest in Europe) in the Guinness Brewery, and the spire and green roof of St. Patrick's Cathedral.
Entailment: At this part of the river, you can see the tops of the Guinness Brewery and St. Patrick's Cathedral.
Contradiction: You can't see the Guinness Brewery or St. Patrick's Cathedral until you get farther up the river.