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: Strict parenting works best.
 perspective: Kids deserve some freedom. 
undermine

claim: Make sex education mandatory in schools.
 perspective: Sex education for underage children undermines  the law
undermine

claim: It is a good idea to build the Keystone XL pipeline.
 perspective: We need to be free of the shackles of oil dependence and develop alternative fuels.

undermine