Anchor: We first present our model for total costs and unit costs.
Entailed: The model for total costs and unit costs is presented first.
Contradiction: The model for total costs and unit costs was presented at the very end.
Contradiction: The freaks come out at night.
Contradiction: two people standing in front of a truck.
Contradiction: Don't ever talk to me again, Janet.
Contradiction: I am not someone who believes in that.