Part 1. 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.
Part 2. Example
claim: Music containing lyrics that glorify violent and criminal lifestyles should be banned.
 perspective: hip hop artists have a right to free speech
Answer: undermine
Explanation: Musicians having a right to free speech clearly undermines the claim for putting constraints on their lyrics.
Part 3. Exercise
claim: The right to anonymous posting on the internet should be protected by law.
 perspective: Internet anonymity leads to spam
Answer:
undermine