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: It is a good idea to build the Keystone XL pipeline.
 perspective: Dependence on oil needs to be reduced to ensure we do not end up slaves to others.
undermine

claim: The Republika Srpska must be allowed to secede from Bosnia & Herzegovina.
 perspective: Self-Determination is a right that all Serbs are entitled to. 
support

claim: School vouchers should be encouraged.
 perspective: Vouchers have no direct correlation to improving academics.

undermine