Anchor: There are workers laying out the tracks for a trolley.
Entailed: there are people laying down the tracks
Contradiction: there are dogs eating pudding
Contradiction: The dog and the birds are playing a game with each other
Contradiction: It would be a poor descision not to. 
Contradiction: Since the cup is still intact it'll be easy to analyze the contents.
Contradiction: I'm only familiar with New York.