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.
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Question: claim: All nations have a right to nuclear weapons.
 perspective: The pursuit of nuclear defence (respectively the possession of nuclear weapons) by more countries is a guarantee for peace. 

Answer: support


Question: claim:  College education is worth it.
 perspective: There is no guarantee there will be benefits.

Answer: undermine


Question: claim: New prisons need to be built to ease overcrowding.
 perspective: Prisoners should be rehabilitated, not imprisoned.

Answer:
undermine