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: Make sex education mandatory in schools.
 perspective: Sex education for underage children undermines  the law

Answer: undermine


Question: claim: Junk Food Should Be Banned.
 perspective: Eating junk food leads to obesity.

Answer: support


Question: claim: It is good to gossip.
 perspective: Malevolent gossip can have a devastating impact on the person involved

Answer:
undermine