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: The world should go vegan.
 perspective: Eating meat is not cruel or unethical; it is a natural part of the cycle of life. 

Answer: undermine


Question: claim: social networking sites should be banned at the workplaces.
 perspective: Unauthorized sharing on social media exposes artists to copyright infringement, loss of intellectual property, and loss of income.

Answer:
support