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.

claim: The United States should maintain its embargo against Cuba.
 perspective: Sanctions harm the Cuban people. 
undermine

claim: Online Shopping Is Better Than Offline Shopping.
 perspective: You don't have to leave the house to shop online.
support

claim: More gun control laws should be enacted.
 perspective: Countries with restrictive gun control laws have lower gun homicide and suicide rates than the United States.

support