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: Pre-nuptial agreements should not be recognised in divorce courts.
 perspective: Pre-nuptial agreements reduce trauma associated with divorce

Answer: undermine


Question: claim: Puerto Rico should seek American statehood.
 perspective: Becoming a state would hurt the other 50 states.

Answer:
undermine