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.

Example Input: claim: Gay couples should be allowed to marry.
 perspective: Legalizing gay marriage often leads to an end to domestic partnership benefits for gay and straight couples, which disadvantages couples who choose not to get married. 
Example Output: undermine

Example Input: claim: Roger Federer Is Not the Greatest Tennis Player of All Time.
 perspective: He has just won Wimbledon 2012 (17th grand slam) and gone back to number 1 again
Example Output: undermine

Example Input: claim: Abolish collective bargaining rights for unions.
 perspective: Collective Bargaining Hurts the Democratic Process
Example Output:
support