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: Eliminate All Nuclear Weapons.
 perspective: Disarmament would actually cause increased insecurity among nations, it is near impossible to guarantee that a nation has disarmed.
undermine

claim: We should encourage increased use of referendums.
 perspective: Improves standards in political governance. 
support

claim: Parents should be allowed to genetically screen foetuses for heritable diseases.
 perspective: Genetic screening may lead the marginalisation of those living with genetic disorders

undermine