In this task, you're given a question, along with a context passage which has extra information available on certain terms mentioned in it, i.e., the proper nouns in the passage. Your job is to determine whether information from more than one term is needed to answer the question. Indicate your choice as `a` for Yes or `b` for No.

Example Input: Question: In which countries were the fronts located that Kork fought on during World War I? Passage:Kork fought in World War I on the Northwestern Front and the Western Front. In October 1914, he was awarded the Order of Saint Anna 3rd class with Swords. On 1 April 1915, he was awarded the Order of Saint Stanislaus 2nd class with Swords. Kork became an adjutant on the staff of the 3rd Siberian Army Corps and was promoted to Staff captain on 14 June. On 16 November, Kork received the Order of Saint Anna 4th class. At the same time he became an adjutant at the headquarters of the 8th Siberian Rifle Division. On 25 or 30 December he was transferred to the 10th Army headquarters. He also served with the 20th Army Corps and the Office of the Quartermaster General on the Staff of the Western Front. On 15 August 1916, he was promoted to Captain. In 1917, he graduated from the Observer-Pilot Military School. On 25 February, Kork became officer for Aircraft Orders on the Staff of the Western Front. He was promoted to lieutenant colonel. On 31 March, Kork was awarded the Order of Saint Anna 2nd class with Swords. Between August 1917 and February 1918 he was chairman of the Soldiers' Committee of the Western Front.

Example Output: a

Example Input: Question: How many nations comprise the organization that Albania complained to concerning Royal Navy conducting mine-clearing operations in Albanian territorial waters, Passage:The Corfu Channel Incident refers to three separate incidents involving Royal Navy ships in the Straits of Corfu which took place in 1946, and it is considered an early episode of the Cold War. During the first incident, Royal Navy ships came under fire from Albanian fortifications. The second incident involved Royal Navy ships striking mines and the third incident occurred when the Royal Navy conducted mine-clearing operations in the Corfu Channel, but in Albanian territorial waters, and Albania complained about them to the United Nations. This series of incidents led to the Corfu Channel Case, where the United Kingdom brought a case against the People's Republic of Albania to the International Court of Justice. Because of the incidents, Britain, in 1946, broke off talks with Albania aimed at establishing diplomatic relations between the two countries. Diplomatic relations were only restored in 1991.

Example Output: b

Example Input: Question: How many different presidents had been elected in the prior elections held in South Korea? Passage:Presidential elections were held in South Korea on 19 December 2012. They were the sixth presidential elections since democratization and the establishment of the Sixth Republic, and was held under a first-past-the-post system, in which there was a single round of voting and the candidate receiving the highest number of votes was elected. Under the South Korean constitution, presidents are restricted to a single five-year term in office. The term of incumbent president Lee Myung-bak ended on 24 February 2013. According to the Korea Times, 30.7 million people voted with turnout at 75.8%. Park Geun-hye of the Saenuri party was elected the first female South Korean president with 51.6% of the vote opposed to 48.0% for her opponent Moon Jae-in. Park's share of the vote was the highest won by any candidate since the beginning of free and fair direct elections in 1987.

Example Output:
a