Anchor: 2 The term postal service is a reference to a country's dominant or government-run postal delivery system.
Entailed: A country's main postal system is what is referred to as the postal system. 
Contradiction: A country's main mail delivery system is referred to as the IRS.
Contradiction: the men are asleep in the carousel
Contradiction: Children are running down the hill.
Contradiction: He is a strong supporter of websites that summarize things only.
Contradiction: Girls performing.