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.
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Question: claim: National service should be re-introduced.
 perspective: Young people can learn important skills in the national service. 

Answer: support


Question: claim: A move to the left is good for Labour.
 perspective: Labour would be foolish to move to the left.

Answer: undermine


Question: claim: Hosting the world cup is beneficial.
 perspective: Scarce public resources.

Answer:
undermine