Anchor: Jon felt his own heart stop.
Entailed: Jon could feel his heart skip a beat out of fear.
Contradiction: Jon felt nothing.
Contradiction: She does not look like the pictures of Italy.
Contradiction: Tenure, fame, and public good--the last three motives, they don't fit as well with the basic assumptions of economics.
Contradiction: Someone is playing a piano.
Contradiction: Even though an organization can't control external forces, these forces nonetheless still have an impact on the organization's ability to succeed.