Prompt
"Portrait of the 3rd Viscount Palmerston, Henry John Temple, a British politician and statesman, sitting in a luxurious armchair, wearing formal attire, including a suit, tie, and medal, with a stern yet authoritative expression, set against a backdrop of 19th-century British Parliament or a stately manor, reflecting his role as Prime Minister of the United Kingdom and his notable contributions to foreign policy and liberal causes."