Question: The Balmoral Furniture Company bombing was a paramilitary attack that took place on 11 December 1971 in Belfast, Northern Ireland, which Ulster loyalist paramilitary group, had carried out that bombing in Northern Ireland?
Sentence (from "1971 Balmoral Furniture Company bombing"): It is widely believed that the bombing was carried out by members of the Provisional Irish Republican Army (IRA) in retaliation for the bombing of McGurk's pub a week earlier, which killed 15 Catholic civilians.
Relevant evidence: No