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: Abolish all collective bargaining rights claimed by trades unions.
 perspective: We must maintain collective bargaining to hear all voices.

SOLUTION: undermine

PROBLEM: claim: Homework should have a limit.
 perspective: Homework improves student achievement

SOLUTION:
undermine