In this task you will be given a claim and a perspective. You should determine whether that perspective supports or undermines the claim. If the perspective could possibly convince someone with different view, it is supporting, otherwise it is undermining.

claim: Long term cooperation between Russia and the United States is possible.
 perspective: Missile defense is an area where Russia is suspicious of the United States.
undermine

claim: The US intervention in Libya, lacking congressional approval, was illegal.
 perspective: A long ruling and ruthless dictator was toppled.
undermine

claim: social networking sites should be banned at the workplaces.
 perspective: Social media sites often lead to relationship problems and other stress in real life.

support