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: More gun control laws should be enacted.
 perspective: fewer people are getting killed by guns so no new laws are needed

Answer: undermine


Question: claim: Performing tests on animals must be banned.
 perspective: Animal tests may mislead researchers into ignoring potential cures and treatments.

Answer: support


Question: claim: Roger Federer Is Not the Greatest Tennis Player of All Time.
 perspective: Federer has a record that will be hard to beat.

Answer:
undermine