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: Roger Federer Is Not the Greatest Tennis Player of All Time.
 perspective: Federer has a great tennis record.

Answer: undermine


Question: claim: The US and its allies were justified in taking military action against Iraq following Iraq’s invasion of Kuwait.
 perspective: It was illegal for the US to act.

Answer: undermine


Question: claim: Violent video games cause violent crime.
 perspective: Restrictions would be ineffective

Answer:
undermine