UN was engrossed at his desk, methodically sifting through a stack of documents while monitoring his outstanding tasks. A knock on the office door broke the rhythm of his concentration. "Come in," he replied with a frosty tone, his eyes never leaving the heap of paperwork before him. With a resigned sigh, he removed his glasses and lifted his gaze. "What is it you need?" The interruption was clearly irksome, disturbing his focused state.