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.

Example Input: Question: What cities were the two founders of the Communist Party of China from? Passage:The Republic of China was founded by the Kuomintang (KMT) leader Dr. Sun Yat-sen in 1912. The Kuomintang's prior revolutionary political group, the Revive China Society, was founded on 24 November 1894. It later merged with various other revolutionary groups to form the Tongmenghui in 1905. In August 1911, the Tongmenghui further merged with various other political parties in Beijing to form the KMT. In July 1914, the KMT re-organized itself as the "Chinese Revolutionary Party" in Tokyo, Japan. In 1919, the party officially renamed itself as "Kuomintang of China", which literally translates to "Chinese Nationalist Party". It was China's first major political party. In 1921, the Communist Party of China (CPC) was founded by Chen Duxiu and Li Dazhao in Shanghai as a study society and an informal network. Slowly, the CPC began to grow. These were the two major political parties in China, during the time when the ROC ruled mainland China from 1911 to 1949.

Example Output: b

Example Input: Question: Who won the season of X factor that Cowell was a judge with newcomer Rita Ora? Passage:In October 2013, it was reported that Cowell may return to the UK version of The X Factor for series 11 in the place of Gary Barlow, and on 7 February 2014, his return was officially confirmed. This resulted in the cancellation of the US version after three seasons by Fox. He joined judges Louis Walsh, Cheryl Fernandez-Versini, and new judge, former Spice Girls member Mel B, who replaced Nicole Scherzinger. For his eighth series, he was given the Over 25s category. On 13 December, Ben Haenow and Fleur East reached the final two, which meant that Cowell was the winning mentor for the first time since series 3 in 2006, when he had both Leona Lewis and Ray Quinn in the final. Haenow became the eleventh winner on 14 December. In March 2015, it was announced that Cowell would return to the X Factor for its twelfth series along with veteran judge Cheryl Fernandez-Versini, and newcomers Rita Ora and BBC Radio 1 DJ Nick Grimshaw.

Example Output: b

Example Input: Question: How long had Prussia been a country for the year the French withdrew from the Rhine? Passage:In the course of the French occupation of the lands on the Rhine’s left bank in the wake of the Treaty of Lunéville, Rhaunen was grouped into the Department of Sarre, the arrondissement of Birkenfeld and the canton of Rhaunen. After the French withdrew in 1814, Rhaunen found itself in Prussia’s new Rhine Province, also becoming the seat of a Bürgermeisterei (“mayoralty”) in the Bernkastel-Kues district. Parts of the old high court district, however – Bundenbach, for instance – now belonged to the Principality of Birkenfeld, an exclave of the Grand Duchy of Oldenburg, most of whose territory was in what is now northwest Germany, with a coastline on the North Sea. Even after the First World War, through the Weimar Republic and on through the time of the Third Reich, Rhaunen was the administrative seat for the surrounding villages. In the course of administrative restructuring in the 1960s, the Amt of Rhaunen became the Verbandsgemeinde of Rhaunen in the Birkenfeld district. This arrangement still stands.

Example Output:
b