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: It is crucial to support the development of a missile defence system.
 perspective: The system is an incredibly expensive venture that may not even work

SOLUTION: undermine

PROBLEM: claim: The U.S. Should Ban The Use of Cluster Bombs.
 perspective: Rejecting the Ban on Cluster Bombs Hurts the international image of the U.S.

SOLUTION: support

PROBLEM: claim: Sikh school pupils should be allowed to carry ceremonial daggers.
 perspective: Potentially, daggers carried by Sikh school pupils can be used to harm others. 

SOLUTION:
undermine