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: Basic income tax should be abolished.
perspective: income tax is not good

Answer: support

Question: claim: History as a subject in school is needed.
perspective: History teaching will reflect the erroneous preconceptions and aims of those who set the curriculum

Answer: undermine

Question: claim: social networking sites should be banned at the workplaces.
perspective: Social media is good for people who want to interact, but have social anxiety in person.

Answer:
undermine