Anchor: The Wannabes will do anything for the Jocks, and the Jocks exploit them mercilessly, forcing them to write briefing papers, answer mail, field phone calls, fetch dry cleaning, and play chauffeur.
Entailed: The Jocks exploit the Wannabes. 
Contradiction: The Wannabes exploit the Jocks. 
Contradiction: World War I ended.
Contradiction: A man is next to a large balloon.
Contradiction: There was no way that I could have prevented this problem.
Contradiction: A boy is standing.