TASK DEFINITION: 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.
PROBLEM: 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

SOLUTION: undermine

PROBLEM: claim: Britain should give up its EU rebate.
 perspective: The Rebate is essential to preserve domestic support in Great Britain.

SOLUTION: undermine

PROBLEM: claim: It is crucial to support the development of a missile defence system.
 perspective: It is easier to target specific areas with a missile defense.

SOLUTION:
support