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: Eliminate All Nuclear Weapons.
 perspective: Nuclear weapons give states valuable agenda-setting power on the international stage

Answer: undermine


Question: claim: All nations should ban bullfighting.
 perspective: Harming animals for entertainment is immoral

Answer: support


Question: claim: Roger Federer Is Not the Greatest Tennis Player of All Time.
 perspective: Federer has won many games which is very hard for peopple to do.

Answer:
undermine