Does the sentence "A treaty is null and void if it is in violation of a peremptory norm." provide a valid answer to the question "What type of norm is recognized as permitting no violations and so cannot be altered through treaty obligations?"

A: yes

Does the sentence "Somerset House in London, designed by Sir William Chambers in 1776 for government offices, was as magnificent as any country house, though never quite finished, as funds ran out." provide a valid answer to the question "In what year was Somerset House designed?"

A: yes

Does the sentence "In 197071, they won their first League and FA Cup Double." provide a valid answer to the question "When did Arsenal win their first Double Cup?"

A: yes

Does the sentence "The most common tent uses for the military are as temporary barracks (sleeping quarters), DFAC buildings (dining facilities), forward operating bases (FOBs), after action review (AAR), tactical operations center (TOC), morale, welfare, and recreation (MWR) facilities, and security checkpoints." provide a valid answer to the question "What are the barracks used for?"

A:
yes