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: Christians should be allowed to wear the Cross at work.
 perspective: If this were about wearing a badge with a political slogan or something similar, everyone would agree that it was inappropriate. The same principle should apply to iconography.
undermine

claim: School Uniforms Should Be Mandatory.
 perspective: Uniform policies save valuable class time because they are easier to enforce than a standard dress code.
support

claim: It is crucial to support the development of a missile defence system.
 perspective: World security is threatened by employing a missile defense.

undermine