Anchor: But ropes are a major cause of death and injury in  Fighters hyperextend their necks when they are punched against the ropes, because nothing stops their heads from snapping back.
Entailed: Fighters show a major cause of injury is whiplash from being punched against the ropes. 
Contradiction: Fighters such as boxers work in a safe industry with relatively low risk of injury. 
Contradiction: An easy statement
Contradiction: He was used to the noise of the bulldozers and tractors moving along the cliff above him.
Contradiction: Cambodian scholars were prevented from studying there.
Contradiction: There is an unusual hill to the east of Hebron.