Anchor: In the United States, almost half of the First-Class mailstream is workshared and an even larger portion of Standard A4 is either workshared or has preparation requirements that involve work the mailer must do.
Entailed: The mailer has a workload that involves both the First-Class mailstream and Standard A4.
Contradiction: None of the First-Class mailstream is shared even though mailers have little work to do.
Contradiction: Goalie blocks game winning kick.
Contradiction: Wallace ran for president for four separate terms. 
Contradiction: A woman turning on the faucet
Contradiction: Some young people are playing computer games.