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.

claim: We should use torture to obtain information from suspected terrorists.
 perspective: Time is of the essence in a crisis. When confronted with extremists who see a virtue in their own death, extraordinary methods may be required. 
support

claim: Create an international treaty/ban on cyber-attacks.
 perspective: It would never work
undermine

claim: Same sex relationships should have the same legal status as heterosexual relationships under EU law.
 perspective: Legalizing gay marriage will not harm the institution of marriage, and same-sex marriages may even be more stable than heterosexual marriages. 

support