Anchor: The constriction came from an arm around his neck, but he couldn't see to whom it belonged, and there was no place to move aside in the corner of the egg.
Entailed: Someone put an arm around his neck. 
Contradiction: They left him alone inside the egg. 
Contradiction: The woman was in bed with the flu
Contradiction: Damaged railroad tracks are being repaired.
Contradiction: He is riding a bicycle.
Contradiction: The inner city school district is finding it difficult to hire people