Anchor: Even with managed care efforts to decrease expensive ED visits, the number of ED patients has increased, so primary care and EDs have to work together.
Entailed: Primary care and EDs have to cooperate because ED patients have increased. 
Contradiction: Cooperation between primary care and EDs is not necessary. 
Contradiction: The new treaty was a small-scale step.
Contradiction: In places like Sudan, these internal things have been raging for a decade.
Contradiction: Martha was from Nigeria.
Contradiction: There were speeches held in Trafalgar Square and the Park.