In this task, you're given a question, a context passage, and four options which are terms from the passage. After reading a passage, you will get a brief understanding of the terms. Your job is to determine by searching and reading further information of which term you can answer the question. Indicate your choice as 'a', 'b', 'c', or 'd'. If you think more than one option is plausible, choose the more probable option to help you answer the question.

Ex Input:
Question: How many casualties had the Japanese Army suffered by the time Vincent was sent to Tokyo? Passage:Born the son of Colonel Arthur Hare Vincent and Elizabeth Rose Manson and educated at Wellington College and the Royal Military Academy, Woolwich, Vincent was commissioned into the Royal Artillery as a second lieutenant on 24 July 1891. He was promoted to lieutenant on 24 July 1894 and to captain on 13 February 1900. He served with the China Expeditionary Force in late 1900 and then in the Second Boer War in South Africa. Following the end of the war, Vincent left Point Natal for India on the SS Ionian in October 1902 with other officers and men of the J Battery Royal Horse Artillery, and after arrival in Bombay, was stationed in Meerut, Bengal Presidency. In 1903, Vincent was sent to Tokyo to learn Japanese: he served as British military attaché with the Japanese Army during the Russo-Japanese War and, from 1 March 1904, was attached to the 2nd Division of the First Japanese Army in Manchuria.
 Links: a. Imperial Japanese Army b. Second lieutenant c. Second Boer War d. Royal Military Academy, Woolwich

Ex Output:
a


Ex Input:
Question: What year was Brian named the High King? Passage:The Uí Briúin Seóla was one of the major branches of the powerful Uí Briúin dynasty, which had become the dominant force in Connacht by the 8th century. The genealogies list two sons of Murchadh mac Maenach: Urchadh and Urumhain. Urchadh mac Murchadh, King of Maigh Seóla (also listed as king of Iarthair Connacht, died 945, in the 14th century Book of Ballymote) was father of Bé Binn inion Urchadh, Princess of the Uí Briúin Seóla and Queen of Thomond (fl. early 10th century). Bé Binn married Cennétig mac Lorcáin of Thomond to produce a son who would become the High King of Ireland (Irish: Ard-Rí na hÉireann): Brian Bóruma mac Cennétig, known in English as Brian Boru (c. 941–23 April 1014). Brian broke the near monopoly of the Uí Néill over the High Kingship of Ireland and fought to unite Ireland as a people under one, native king. His father, Cennétig mac Lorcáin of Thomond, was one of the principal leaders of the resistance to the Danish Viking incursions. Cennétig had several wives and children but positively assigned Bé Binn as the mother of Brian Bóruma.
 Links: a. Uí Briúin b. Uí Briúin c. Brian Boru d. Brian Boru

Ex Output:
c


Ex Input:
Question: How old was G. M. Syed the year he founded Jeay Sindh Mahaz? Passage:The Sindhi nationalist movement's demands have ranged from greater cultural, economic and political rights, to political autonomy, and to outright secession from Pakistan and the creation of an independent state referred to as Sindhudesh. It was founded by G. M. Syed in 1972 to help Sindhi separatist forces to separate Sindh from Pakistan. Sindhi separatists believe that the Sindhi people suffer from disenfranchisement at the hands of Pakistan's Punjabi majority. In 1972 G.M Sayed, The founder of Sindhi nationalism formed an organization Jeay Sindh Mahaz. Later JSM divided into many fictions. Majorly two of these various political counterparts of Sindhi nationalism are JSQM and JSMM which believe in the political struggle while another faction of Sindhi nationalists the blacklisted Sindhudesh Liberation Army a Terrorist organisation believes in Armed Struggle for the total independence of Sindh from Pakistan and creation of Sindhudesh as proposed by G.M Sayed.
 Links: a. Sindhudesh b. G. M. Syed c. Jeay Sindh Qaumi Mahaz d. Pakistan

Ex Output:

b