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: Capitalism is better than socialism.
 perspective: Socialism has changed historically to meet the challenges of the moment and is addressing those of the 21st century in new ways

Answer: undermine


Question: claim: Place Cameras in Courtrooms to Televise Court Cases.
 perspective: Invoking public reaction can damage the lives of those concerned in the court case.

Answer: undermine


Question: claim: Prostitution has to be legalised.
 perspective: Markets in sex would corrupt non-market sexual relations, turning women and girls into commodities 

Answer:
undermine