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: The US intervention in Libya, lacking congressional approval, was illegal.
 perspective: A long ruling and ruthless dictator was toppled.

Answer: undermine


Question: claim: Raise The School Leaving Age To 18.
 perspective: some people are not good at studying

Answer: undermine


Question: claim: Social networking sites are good for our society.
 perspective: Criminals can use social media to commit crimes.

Answer:
undermine