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: It is time to stop buying bottled water.
 perspective: Ending the use of bottled water would save local water supplies.

Answer: support


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

Answer: support


Question: claim: All countries should have the right to pursue a nuclear defence.
 perspective: The United States has an obligation to protect international stability due to its unique military strength.

Answer:
undermine