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: Prostitution Should Be Legal.
 perspective: Markets in sexual services can respect sexual autonomy

Answer: support


Question: claim: The United States should maintain its embargo against Cuba.
 perspective: Sanctions are not working

Answer: undermine


Question: claim: social networking sites should be banned at the workplaces.
 perspective: Social media offers a way for musicians and artists to build audiences even if they don't have a corporate contract.

Answer:
undermine