Anchor: We measure the returns to scale in the U.S. postal delivery function by first determining the total cost of delivery provided by the Postal Service.
Entailed: Total delivery costs by the Postal Service are calculated first by us.
Contradiction: Total delivery costs by the Postal Service are calculated last by others.
Contradiction: Tommy was happy to have been the one to enter first.
Contradiction: Two boys are playing cricket.
Contradiction: The young woman is sitting by the garbage can.
Contradiction: The attractions on the pair of Nile islands offer a juxtaposition of themes.