TASK DEFINITION: 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.
PROBLEM: claim: social networking sites should be banned at the workplaces.
 perspective: Corporations and small businesses use social media to benefit themselves and consumers.

SOLUTION: undermine

PROBLEM: claim: Pay state school teachers based on merit.
 perspective: Teachers will have an incentive to improve their teaching.

SOLUTION: support

PROBLEM: claim: Eliminate All Nuclear Weapons.
 perspective: Disarmament is impossible, rendering efforts to disarm pointless and simply wasteful

SOLUTION:
undermine