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: Gay marriage should be legal.
 perspective: Legalizing gay marriage is a stepping stone toward disgusting and harmful marriage practices such as incestuous, bestial and child marriages. 

Answer: undermine


Question: claim: Bottled water should be banned.
 perspective: With plastic container being so prevalent banning plastic water bottles will not reduce plastic waste.

Answer: undermine


Question: claim: Positive Discrimination Towards Women in Society Is Justified.
 perspective: It does not address the underlying issues

Answer:
undermine