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: It is a good idea to build the Keystone XL pipeline.
 perspective: Dependence on oil needs to be reduced to ensure we do not end up slaves to others.
Example Output: undermine

Example Input: claim: Voting should be compulsory in the UK.
 perspective: Voting is a civic duty
Example Output: support

Example Input: claim: We must negotiate with terrorists.
 perspective: Negotiation with a terrorist group is not a productive long-term strategy, as other groups will be ready to ascend to the top of the threat matrix.
Example Output:
undermine