Anchor: Only four of its outer arches survived an 1183 earthquake undamaged, but the inner arcade of 74 arches is intact.
Entailed: The 1183 earthquake caused damage to the outer arches but some of the inner arches are intact.
Contradiction: In 1183, an earthquake damaged 74 of the inner arches, but most of the outer arches remain intact.
Contradiction: A girl boards the school bus.
Contradiction: There is a collection of cottages on the cliffs.
Contradiction: Economists stay in the dark and don't tell investors what to watch. 
Contradiction: A group of people are talking.