instruction:
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.
question:
claim: Israel's 2008-2009 military operations against Gaza were justified.
 perspective: The operations are self-defenses, and thus can be justified.  
answer:
support


question:
claim: There should be a presumption in favour of publication for information held by public bodies.
 perspective: Universities deserve to add costs to their resources instead of leaving them open to the public, restricting profits
answer:
undermine


question:
claim: There must be a ban the sale of 3D printers to households.
 perspective: Household 3D printing can, in the short term, destroy developing economies
answer:

support