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: Targeted sanctions have to be used to respond to cyber-attacks.
 perspective: Sanctions won't work
undermine

claim: It is a good idea to have a system of  participatory democracy.
 perspective: Participatory Democracy Preserves our Natural Liberty 
support

claim: social networking sites should be banned at the workplaces.
 perspective: When looking for a job social media can help

undermine