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: Who is in charge of the city Couceiro arrived in in 1889? Passage:Paiva Couceiro arrived in Luanda, Angola on September 1, 1889, and was immediately appointed commander of the Irregular Cavalry Squadron in the village of Humpata (which was originally created by Artur de Paiva to combat bands of guerrillas along the plain of Moçâmedes). He did not remain at this outpost for long; apparently he was unsatisfied with his subordinates, their methods and inferior level of discipline, but was able to utilize them in a campaign to retrieve missing cattle, instead of hiring local Boer mercenaries, which had been the custom. By January he was in the village of Belmonte, in Bié, on a mission that would take him along the Cuando River, to Cuito and then to the Lialui along the Zambezi River (a trek of thousands of kilometers across savannah), in order to negotiate with Lewanika, chief of the Barotze tribe. The growth of the Portuguese occupation force in the Angolan interior was part of the administration's attempted to implement their Pink Map to explore and expand their serfdom over the peoples of the central-African interior. After some resistance, the colonial administration began a military campaign to pacify groups that had resisted initial token gestures of friendship and gifts, a process that Paiva Couceiro participated in energetically. For the chief's recognition of Portuguese sovereignty over his territories, Paiva Couceiro brought with him a colonels tunic and sword, textiles, gold, velvet, boxes of Porto wine and arms, which were to be delivered in 300 crates when the Governor of Angola canceled the project.


Output: a


Input: Consider Input: Question: How long was the Nazi Party around for before Stahlecker joined it? Passage:On 1 May 1932, Stahlecker joined the Nazi Party (no. 3,219,015) as well as the SS (no. 73,041). On 29 May 1933, he was appointed deputy director of the Political Office of the Württemberg State Police. In 1934, he was appointed head of the Gestapo in the German state of Württemberg and soon assigned to the main office of the Sicherheitsdienst (SD). On 11 May 1937, he became head of the Gestapo in Breslau. After the incorporation of Austria in 1938, Stahlecker became SD chief of the Danube district (Vienna), a post he retained even after being promoted to SS-Standartenführer. In the summer of 1938, Stahlecker became Inspector of the Security Police in Austria, succeeding Gestapo chief Heinrich Müller in that position. As of 20 August 1938, Stahlecker was the formal head of the Central Agency for Jewish Emigration in Vienna, though its de facto leader was Adolf Eichmann. Differences of opinion with Reinhard Heydrich motivated Stahlecker to move to the Auswärtiges Amt (Foreign Office), after which he held posts as the commander of the Security Police and SD in the Protectorate of Bohemia and Moravia under SS-Brigadeführer Karl Hermann Frank. In mid-October 1939, Eichmann and Stahlecker decided to begin implementation of the Nisko Plan.


Output: b


Input: Consider Input: Question: How many people lived in Nancy the year the Second Armistice at Compiègne was signed? Passage:Six units of the French Foreign Legion participated in the Battle of France: the 11th Foreign Infantry Regiment, the 12th Foreign Infantry Regiment, the Reconnaissance Group of the 97th Infantry Division, the 21st Marching Regiment of Foreign Volunteers (21st RMVE), the 22nd Marching Regiment of Foreign Volunteers, and the 23rd Marching Regiment of Foreign Volunteers. The 11th REI defended the northern Inor Wood near Verdun from the German offensive early on in the battle until June 11, 1940 when the regiment began a fighting retreat to the south. By June 18, the 11th REI had lost three-fourths of its strength and the regiment withdrew to the south near Toul. The 12th REI was redeployed from its training center in Valbonne on May 11 to defend the Soissons where it arrived on May 24 and eventually began to fortify their positions. The 12 REI first experienced a form of combat for which they were unprepared when on June 5, the town of Soissons was the subject of German strafing from Stukas. By June 8, the 12th REI, in danger of being encircled, received orders to retreat to the south, however the orders did not come soon enough and parts of the 12th REI were surrounded at Soissons; the rest of the 12th REI made their way to Limoges by the signing of Second Armistice at Compiègne on June 25, 1940. By the surrender of France the 12th REI had lost 2,500 of its number. The 21st Marching Regiment of Foreign Volunteers was deployed to the Maginot Line when the German offensive began, but was shifted to the north of Verdun by the end of May. The 21st RMVE took heavy losses during an engagement with the Germans on June 8 and 9; the 21st RMVE joined the rest of the French Army in that sector in retreat when the order to retreat was given. At the time of the armistice the 21st RMVE was at Nancy where it was disarmed by German forces. The 22nd Marching Regiment of the Foreign Volunteers left its training depot at Bacarès on May 6 when it was deployed around Alsace. The German offensive forced the 22nd RMVE to be quickly redeployed on the Somme near the village of Marchélepot where it fought a defensive action from May 22 to May 26. On June 5, the 22nd RMVE was preparing to counterattack the Germans at Villers-Carbonnel alongside the 112th Infantry Division when it came under a heavy preemptive attack launched by German forces in the area. The French Forces were able to initially repulse the attack, but later succumbed to the German onslaught; the force of the Foreign Legion acquitted themselves admirably in that engagement.



Output: a