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: Long term cooperation between Russia and the United States is possible.
 perspective: Missile defense is an area where Russia is suspicious of the United States.
undermine

claim: Social networking sites are good for our society.
 perspective: Students can be recruited to universities through social media.
support

claim: Gay marriage should be legal.
 perspective: Denying some people the option to marry is discriminatory and creates a second class of citizens. 

support