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: Prescription drugs should be advertised directly to consumers.
 perspective: The ads make people take too much medicine
undermine

claim: Social networking sites are good for our society.
 perspective: Social media use can harm students' chances to be admitted to colleges
undermine

claim: The European Union should adopt a single working language through which to operate.
 perspective: If the EU ‘elects’ a single working language, it will be deliberately contributing to the narrow-minded, anglicising of the entire world, despite being a union of diverse cultures with the power to fight it.

undermine