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.

Q: claim: Wind power should be a primary focus of future energy supply.
 perspective: Animal habitats are threatened by the turbines used in wind power.

A: undermine
****
Q: claim: Roger Federer Is Not the Greatest Tennis Player of All Time.
 perspective: Federer has a great tennis record.

A: undermine
****
Q: claim: We have to employ mercenaries.
 perspective: PMCs are unpredictable.

A:
undermine
****