Question: What type of political leader does George Goschen, 1st Viscount Goschen and Lord Randolph Churchill have in common?

full_context: Document 1: Sir Harry Goschen, 1st Baronet: Sir William Henry Neville Goschen, 1st Baronet {'1': ", '2': ", '3': ", '4': "} (30 October 1865 – 7 July 1945), known as Harry Goschen, was a British businessman and banker from the prominent Goschen family.
Document 2: George Curzon, 1st Marquess Curzon of Kedleston: George Nathaniel Curzon, 1st Marquess Curzon of Kedleston (11 January 1859 – 20 March 1925), known as The Lord Curzon of Kedleston between 1898 and 1911 and as The Earl Curzon of Kedleston between 1911 and 1921, was a British Conservative statesman.
Document 3: Archibald Primrose, 5th Earl of Rosebery: Archibald Philip Primrose, 5th Earl of Rosebery, 1st Earl of Midlothian, (7 May 1847 – 21 May 1929) was a British Liberal statesman who served as Prime Minister of the United Kingdom from 5 March 1894 to 22 June 1895. Between the death of his father, in 1851, and the death of his grandfather, the 4th Earl, in 1868, he was known by the courtesy title of Lord Dalmeny.
Document 4: Montagu Porch: Montagu Phippen Porch (1877- November 1964) was Winston Churchill's stepfather, although three years his junior. He was born in 1877 in Glastonbury, a parish of Somerset in the United Kingdom. He was educated at Magdalene College in Cambridge. In 1900 he joined the Imperial Yeomanry, which was a Cavalry regiment of the British Army. In 1906 he joined the Colonial Service and served as an officer until 1919, with the majority of his duties served in Africa. On June 1, 1918, Porch married Lady Randolph Churchill, mother of Winston Churchill. There was quite an age difference here as Porch was 42 and Lady Randolph Churchill (Jennie Jerome) was 64. It was Lady Randolph's third marriage and the first for the younger Porch. The couple remained married for three years until Lady Randolph Churchill's death in 1921.
Document 5: Winston Churchill (1940–2010): Winston Spencer-Churchill (10 October 1940 – 2 March 2010), generally known as Winston Churchill, was a British Conservative Party politician and a grandson of former Prime Minister Sir Winston Churchill. During the period of his prominence as a public figure, he was normally referred to as Winston Churchill, MP, in order to distinguish him from his grandfather. His father Randolph Churchill was also an MP.
Document 6: George Goschen, 1st Viscount Goschen: George Joachim Goschen, 1st Viscount Goschen PC DL, FBA (10 August 1831 – 7 February 1907) was a British statesman and businessman best remembered for being "forgotten" by Lord Randolph Churchill. He was initially a Liberal, then a Liberal Unionist before joining the Conservative Party by the time of the 1895 General Election.
Document 7: Lord Randolph Churchill: Lord Randolph Henry Spencer-Churchill (13 February 184924 January 1895) was a British statesman. Churchill was a genuine Tory radical, who coined the term Tory Democracy. He inspired a generation of party managers, created the National Union of the Conservative Party, broke new ground in modern budgetary presentations, attracting admiration and criticism alike from across the political spectrum. His most acerbic critics resided in his own party among his closest friends; but his disloyalty to Lord Salisbury was the beginning of the end of what should have been a glittering career. His devoted son, Winston, who hardly knew his father in life, wrote a biography of him.
Document 8: Lord Randolph Churchill (book): Lord Randolph Churchill was a two-part biography written by Winston Churchill of his father, the Victorian politician Lord Randolph Churchill. It was first published in 1906.
Document 9: Viscount Goschen: Viscount Goschen, of Hawkhurst in the County of Kent, is a title in the Peerage of the United Kingdom. It was created in 1900 for the politician George Goschen.
Document 10: Winston Churchill (Cavalier): Sir Winston Churchill, FRS (18 April 1620 – 26 March 1688), known as the "Cavalier Colonel", was a British soldier, nobleman, historian, and politician. He was the father of John Churchill, 1st Duke of Marlborough, as well as an ancestor of his 20th-century namesake, Prime Minister Sir Winston Churchill.
Document 11: John Goschen, 3rd Viscount Goschen: John Alexander Goschen, 3rd Viscount Goschen {'1': ", '2': ", '3': ", '4': "} (7 July 1906 – 22 March 1977) was a British Conservative politician.
Document 12: Descendants of Winston Churchill: Sir Winston Churchill, son of Lord Randolph Churchill and grandson of John Spencer-Churchill, 7th Duke of Marlborough, was Prime Minister of the United Kingdom between 26 October 1951 – 6 April 1955 and 10 May 1940 – 26 July 1945. In 1908, Churchill married Clementine Hozier, the daughter of Sir Henry and Lady Blanche Hozier. By Clementine, Churchill had five children and ten grandchildren, a number of whom are well known in their own right.
Document 13: George Osborne: George Gideon Oliver Osborne, (born Gideon Oliver Osborne; 23 May 1971) is a British Conservative Party politician, who was Member of Parliament (MP) for Tatton from June 2001 until he stood down on 3 May 2017. He served as Chancellor of the Exchequer under Prime Minister David Cameron from 2010 to 2016. He has been editor of the "London Evening Standard" since May 2017.
Document 14: George Goschen, 2nd Viscount Goschen: George Joachim Goschen, 2nd Viscount Goschen (15 October 1866 – 24 July 1952) was a British politician who served as Member of Parliament for East Grinstead from 1895 to 1906 and as Governor of Madras from 1924 to 1929.
Document 15: Winston Churchill: Sir Winston Leonard Spencer-Churchill, {'1': ", '2': ", '3': ", '4': "} (30 November 187424 January 1965) was a British statesman, army officer, and writer. He served as Prime Minister of the United Kingdom from 1940 to 1945 and again from 1951 to 1955. As a Member of Parliament (MP), he represented five constituencies over the course of his career. As Prime Minister, Churchill led Britain to victory during World War II. He led the Conservative Party for fifteen years from 1940 to 1955.
ground_truth: statesman