In this task, you're given a passage, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.

Ex Input:
Passage: Michael Caine is an English actor who has appeared in over 130 films and has had multiple television appearances. Caine's acting career began in the 1950s, when he was cast in many small, often uncredited roles in British films. Caine gained recognition as one of the most famous actors of the 1960s through his breakthrough role in the film Zulu (1964). He then portrayed spy Harry Palmer in the films The Ipcress File (1965), Funeral in Berlin (1966) and Billion Dollar Brain (1967). He also had starring roles in The Italian Job and Battle of Britain (both 1969). His role in Sleuth (1972) led him to an Academy Award for Best Actor nomination. Caine has won a Best Supporting Actor Oscar for the films Hannah and Her Sisters (1986) and The Cider House Rules (1999). More recently, Caine has gained a new following through his collaborations with British-American filmmaker Christopher Nolan in the Dark Knight Trilogy films, as well as Inception (2010) and Interstellar (2014).
Link Information: Caine has gained a new following through his collaborations with British-American filmmaker Christopher Nolan in the Dark Knight Trilogy films, Question: Which of the two who collaborated together in the Dark Knight Trilogy films is older?

Ex Output:
Answer: Michael Caine

Ex Input:
Passage: While attending the University of Iowa, Whitaker played tight end for the University of Iowa Hawkeyes football team, under coach Hayden Fry, appearing in the starting lineup for Iowa's Rose Bowl game in 1991. In 2002, Whitaker was the candidate of the Republican Party for Treasurer of Iowa. From 2004 to 2009, he served as the United States Attorney for the Southern District of Iowa, where he was known for aggressively prosecuting drug traffickers. Whitaker ran in the 2014 Iowa Republican primary for the United States Senate. He later wrote opinion pieces and appeared on talk-radio shows and cable news as the executive director of the Foundation for Accountability and Civic Trust (FACT), a conservative advocacy group.
Link Information: none Question: Who was the Senate Majority Leader the year Whitaker ran for the United States Senate in the Iowa primary?

Ex Output:
Answer: none

Ex Input:
Passage: The elder son of the 13th Earl of Lauderdale, by his first wife, Charlotte Sleigh, a daughter of Lieutenant-Colonel Sleigh of the 77th Foot, Maitland was commissioned into the Royal Scots Fusiliers in 1886, transferred to the 2nd Dragoons in 1887 and to the Scots Guards in 1894, from which he retired as a lieutenant. After the outbreak of the Second Boer War in late 1899, he volunteered for active service with the Imperial Yeomanry in South Africa and was appointed adjutant of the 20th battalion on 21 March 1900. He served in South Africa 19001901, when he was mentioned in despatches. After his return, he was Assistant Director of Auxiliary Forces on the Headquarters Staff from 1904 to 1908. He saw further active service in the European War of 19141918, in which he was wounded. He was appointed OBE in 1919 and succeeded his father in 1924, taking up residence at Thirlestane Castle near Lauder in Scotland.
Link Information: The Second Boer War (11 October 1899 31 May 1902) was fought between the British Empire and two Boer states, the South African Republic (Republic of Transvaal) and the Orange Free State, over the Empire's influence in South Africa. Question: Which parties were involved in the war that Maitland volunteered for with the Imperial Yeomanry?

Ex Output:
Answer: British Empire and two Boer states, the South African Republic (Republic of Transvaal) and the Orange Free State