In this task, you're given a question, along with a context passage. The passage will not have a direct answer to the question, but can include some information and a clue for the answer. Assuming you can only obtain information about one entity in the passage, your job is to determine whether information from the passage can be used to answer the question. Indicate your choice as `a` for Yes or `b` for No.

Input: Consider Input: Question: Which country that Austria has a border barrier with has the highest population? Passage:Austrian border barriers are border barriers and migration management facilities constructed by Austria between November 2015 and January 2016 on its border with Slovenia and in 2016 on its border with Italy, as a response to European migrant crisis. They are located on internal European Union borders, since Austria, Italy, and Slovenia are members of the EU and the free travel Schengen Area with a common visa policy. The barrier on the Slovenian border is several kilometres long, located near the busiest border crossing, Spielfeld-Šentilj, and includes police facilities for screening and processing migrants. Another migration management facility with barriers located on Austria's Italian border near Brenner, South Tyrol was constructed in 2016.


Output: b


Input: Consider Input: Question: How long did the battle where George was appointed colonel for last? Passage:Randall enlisted as a private in the 4th Pennsylvania Volunteer Infantry in the April 1861. He then accepted appointment to the 4th U.S. Infantry as second lieutenant in October. He served in New York and Washington, D.C., and in the field with the Army of the Potomac. He was a second lieutenant at the Siege of Yorktown, Battle of Gaines' Mill, Battle of Malvern Hill, Second Bull Run (where he commanded Company C), and Fredericksburg; and a first lieutenant at the Battle of the Wilderness. He was appointed a brevet captain for gallant service in the Battle of Antietam. He served as a major in the 14th New York Heavy Artillery Regiment, part of Major General Ambrose Burnside's IX Corps on the Richmond-Petersburg Front in 1864, and was commander of the regiment at the Battle of the Crater. The Dansville Advertiser reported on 7 September that he assumed command of the regiment on 18 August. This article also reports that he was wounded in the battle on 19 August. He was appointed a brevet lieutenant colonel, and then colonel for gallantry in the Battle of Fort Stedman. He mustered out of the Volunteer service on 26 August, and was appointed captain in the 4th US Infantry on 23 September 1865. Subsequently, he served at Davids' Island Military Reservation, New York Harbor, where he was in December 1867.


Output: b


Input: Consider Input: Question: What albums did Drake release the year Yeezus was released? Passage:In 2012, Hudson Mohawke began a series of collaborations with Kanye West, resulting in production credits on the GOOD Music label album Cruel Summer. On 17 January 2013, it was announced that Mohawke had officially signed with GOOD Music as a producer, whilst remaining with Warp and LuckyMe as a recording artist. TNGHT announced their hiatus on 27 December 2013. Mohawke co-produced two tracks on West's 2013 album Yeezus ("I Am a God" and "Blood on the Leaves") and contributed to West's 2016 follow-up The Life of Pablo, in addition to working with various other hip hop and pop artists, including Drake, Pusha T, and Future. In 2015, he released his second studio album, Lantern. In 2016, he collaborated with singer Anohni on her 2016 album Hopelessness. Mohawke announced on 26 October 2016 via Twitter that he was creating the original soundtrack for the 2016 video game Watch Dogs 2 titled "Ded Sec" and that Warp Records would release it on 11 November 2016.



Output: b