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.

Input: Consider Input: claim: Roger Federer Is Not the Greatest Tennis Player of All Time.
 perspective: Was not ranked number one for the most years

Output: support


Input: Consider Input: claim: Eliminate All Nuclear Weapons.
 perspective: Disarmament would actually cause increased insecurity among nations, it is near impossible to guarantee that a nation has disarmed.

Output: undermine


Input: Consider Input: claim: Animal testing should be banned.
 perspective: Animals often make better research subjects than human beings because of their shorter life cycles.


Output: undermine