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.

Q: claim: Gay marriage should be legal.
perspective: Legalizing gay marriage is a stepping stone toward disgusting and harmful marriage practices such as incestuous, bestial and child marriages.

A: undermine
****
Q: claim: The drinking age should be lowered from 21 to a younger age.
perspective: State governments should have the right to establish a lower legal drinking age that reflects their unique demographics, legal context, and history.

A: support
****
Q: claim: Cannabis should be legalised.
perspective: Uncertainty over the effects of cannabis means it is best to be prudent

A:
undermine
****