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: The US and its allies were justified in taking military action against Iraq following Iraq’s invasion of Kuwait.
 perspective: The US did not have legitimate authority
undermine

claim: Federal States are better than unitary nations.
 perspective: Being a federal state helps large states deal with divergent economic performance
support

claim: The Guantanamo Bay detention centre should be closed.
 perspective: Guantanamo Bay is a Symbol of Muslim Discrimination that Fuels Terrorist Sentiments

support