Anchor: The violence reached a climax in 1951, with the assassination of High Commissioner Henry Gurney.
Entailed: The violence was less intense before 1951.
Contradiction: Violence was basically non-existent in 1951. 
Contradiction: A few men are eating at a picnic table.
Contradiction: Two men shake hands.
Contradiction: The person is inside.
Contradiction: The violence was not quelled by additional troops.