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: The prevalence of ‘African mercenaries’ is decreasing.
 perspective: Mercenaries still have a presence in coups

Output: undermine


Input: Consider Input: claim: Voting should be compulsory in the UK.
 perspective: There is precedent to compulsory voting working.


Output: support