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: Marriage is for procreation and should not be extended to same-sex couples because they cannot produce children together. 

Answer: undermine


Question: claim: The US and its allies were justified in taking military action against Iraq following Iraq’s invasion of Kuwait.
 perspective: The US had just cause for exerting force in responce to perceived aggression.

Answer: support


Question: claim: The voting age should be lowered to 16.
 perspective: 16 year olds are mature enough to vote

Answer:
support