Anchor: As stated earlier, the profits from delivered and non-delivered mail must equal the upstream fixed cost in a breakeven post.
Entailed: In order for a post to break even profits must equal fixed costs.
Contradiction: Profits must exceed costs in order for a post to break even.
Contradiction: girl eats peanuts
Contradiction: Bikers are outside.
Contradiction: The Arabs conquered Sicily in the 18th century after seeking an alliance with Naples.
Contradiction: A white dog is carrying a ball