Q:Information: - The Imperial Yeomanry was a volunteer cavalry regiment of the British Army that mainly saw action during the Second Boer War. Officially created on 24 December 1899, the regiment was based on members of standing Yeomanry regiments, but also contained a large contingent of middle or upper class English volunteers. In Ireland 120 men were recruited in February 1900. It was officially disbanded in 1908. - The Second Boer War (, "Second Freedom War"), usually known as the Boer War and also at the time as the South African War, started on 11 October 1899 and ended on 31 May 1902. Great Britain defeated two Boer nations in South Africa: the South African Republic (Republic of Transvaal) and the Orange Free State. Britain was aided by its Cape Colony, Colony of Natal and some native African allies. The British war effort was further supported by volunteers from the British Empire, including Southern Africa, the Australian colonies, Canada, India, and New Zealand. All other nations were neutral, but public opinion in them was largely hostile to Britain. Inside Britain and its Empire there also was a significant Opposition to the Second Boer War. - Boer (or ) is the Dutch and Afrikaans word for "farmer". As used in South Africa, it was used to denote the descendants of the Dutch-speaking settlers of the eastern Cape frontier in Southern Africa during the 18th century. For a time the Dutch East India Company controlled this area, but it was taken over by the United Kingdom. - In the Battle of Groenkop ( Battle of Tweefontein ) on 25 December 1901 , Head Commandant Christiaan de Wet 's Boer commando surprised and defeated a force of Imperial Yeomanry under the command of Major Williams . - A regiment is a military unit. Their role and size varies markedly, depending on the country and the arm of service. - Ireland (Ulster-Scots: ) is an island in the North Atlantic. It is separated from Great Britain to its east by the North Channel, the Irish Sea, and St George's Channel. Ireland is the second-largest island of the British Isles, the third-largest in Europe, and the twentieth-largest on Earth. - Yeomanry is a designation used by a number of units or sub-units of the British Army Reserve, descended from volunteer cavalry regiments. Today, Yeomanry units serve in a variety of different military roles. - Christiaan Rudolf de Wet (7 October 18543 February 1922) was a South African Boer general, rebel leader and politician. - The British Army is the principal land warfare force of the United Kingdom. The force was initially administered by the War Office from London, which in 1964 was subsumed into the Ministry of Defence. The professional head of the British Army is the Chief of the General Staff. Given the information above, choose from the list below the object entity that exhibits the relation 'part of' with the subject 'battle of groenkop'. Choices: - 18th century - 1964 - africa - arm - british army - british isles - cavalry - company - country - december - earth - empire - europe - february - head - india - ireland - may - military - october - sea - second boer war - variety - warfare - word
A:
second boer war