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.

Input: Consider Input: Question: Where does the route begin that 104 intersects with in Stamford? Passage:Route 104 begins at an intersection with Route 137 in the Bulls Head section of Stamford and heads north, passing by GE Capital, then crossing the Rippowam River, up through North Stamford and onto New York state line. About north of the river, Route 104 crosses under the Merritt Parkway (Route 15) at Exit 34 into the North Stamford section of the city. After another , Route 104 crosses over the Mianus River, through the Long Ridge section of the city, as it heads towards the New York state line. The road ends in the town of Pound Ridge, New York and continues as Westchester County Road 3. Route 104 is known as Long Ridge Road throughout its length and is classified as a principal arterial road, carrying traffic volumes of as much as 30,000 vehicles per day, particularly near the Merritt Parkway interchange. Route 104 is four lanes wide from Route 137 to Route 15, and two lanes wide north of Route 15.
 Links: a. North Stamford b. Connecticut Route 137 c. Merritt Parkway d. Mianus River

Output: b


Input: Consider Input: Question: Which group was organized the earliest, the 1st King's Dragoon Guards or the 2nd Dragoon Guards (Queen's Bays)? Passage:The 1st King's Dragoon Guards was a cavalry regiment in the British Army. The regiment was raised by Sir John Lanier in 1685 as the 2nd Queen's Regiment of Horse, named in honour of Queen Mary, consort of King James II. It was renamed the 2nd King's Own Regiment of Horse in 1714 in honour of George I. The regiment attained the title 1st King's Dragoon Guards in 1751. The regiment served as horse cavalry until 1937 when it was mechanised with light tanks. The regiment became part of the Royal Armoured Corps in 1939. After service in the First World War and the Second World War, the regiment amalgamated with the 2nd Dragoon Guards (Queen's Bays) in 1959 to form the 1st The Queen's Dragoon Guards.
 Links: a. British Army b. 1st The Queen's Dragoon Guards c. 2nd Dragoon Guards (Queen's Bays) d. British Army

Output: c


Input: Consider Input: Question: Who was chairman before Rawlings took over in 1981? Passage:Rawlings initially came to power in Ghana as a flight lieutenant of the Ghana Air Force following a coup d'état in 1979 and, after initially handing power over to a civilian government, took back control of the country on 31 December 1981 as the Chairman of the Provisional National Defence Council. In 1992, Rawlings resigned from the military, founded the National Democratic Congress, and became the first President of the Fourth Republic. He was re-elected in 1996 for four more years. After two terms in office, the limit according to the Ghanaian Constitution, Rawlings endorsed his vice-president John Atta Mills as presidential candidate in 2000. He currently serves as the African Union envoy to Somalia.
 Links: a. Provisional National Defence Council b. Coup d'état c. National Democratic Congress (Ghana) d. Military


Output: a