Anchor: The unit cost assuming 25 percent of institutional (fixed) costs vary with volume in the long run is calculated in the example.
Entailed: 25% of fixed costs vary with volume.
Contradiction: Fixed costs never vary.
Contradiction: He was all alone that day, the town was deserted.
Contradiction: The chapel was built to house relics from Jesus.  
Contradiction: The woman looks like a young smart image of a goddess.
Contradiction: A person is singing.