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.

Q: claim: Roger Federer Is Not the Greatest Tennis Player of All Time.
perspective: He has just won Wimbledon 2012 (17th grand slam) and gone back to number 1 again

A: undermine
****
Q: claim: Governments of resource-rich nations should impose high taxes on mining and extraction.
perspective: High taxes on mining and extraction would cause many adverse affects on the country and its citizens.

A: undermine
****
Q: claim: Refusing to stand for the National Anthem is an appropriate form of protest.
perspective: Not standing for the anthem is counterproductive because it undermines your cause.

A:
undermine
****