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: Is Vitebsk the capital of a country? Passage:A.P. Rosengolts was born in Vitebsk on November 4, 1889. He was the son of a Jewish merchant. He joined the Bolshevik faction of the Russian Social-Democratic Workers' Party (RSDRP) in 1905, the year of the first, abortive Russian Revolution. He worked as an insurance agent and carried out work for the Bolshevik party in Vitebsk, Kiev, Ekaterinoslav and Moscow. Rosengolts played an active role in the Revolution of 1917. He was a member of the Executive Committee of the Moscow City Council, the Moscow Military-Revolutionary Committee and the All-Russian Military-Revolutionary Committee. He was a leading officer in the Red Army and, during the Russian Civil War, worked closely with L.D. Trotsky. After the Civil War, Rosengolts worked successively for the Commissariats of Transportation and Finance and the Directorate of the Red Army Air Force. He served as ambassador to Britain from 1925 to 1927 and oversaw Soviet espionage in Britain. He became a member of the Central Committee of the Communist Party of the Soviet Union in 1927 and held various high positions in the Communist Party and the Soviet government. In 1930 he was appointed People's Commissar of Foreign Trade. On June 14, 1937, Rosengolts was dismissed from this office and on October 7, 1937, he was arrested. He was one of the defendants of the third Moscow Trial, along with Nikolai Bukharin, Alexey Rykov and other prominent Soviet officials. The accused faced a long list of capital charges, including plotting to assassinate Lenin and Stalin, espionage and sabotage. Like most of his co-defendants, Rosengolts confessed. He was convicted, sentenced to death and shot on March 15, 1938 in Moscow. He was rehabilitated in 1988.

Example Output: b

Example Input: Question: Which wrestler that Hayashi challenged in a three-way match at Bound of Glory is a Polynesian? Passage:On July 10, 2013, Hayashi was announced as part of Keiji Mutoh's new Wrestle-1 promotion. During the promotion's inaugural event on September 8, Hayashi teamed with Shuji Kondo in a tag team match, where they were defeated by the Big Japan Pro Wrestling team of Daisuke Sekimoto and Yuji Okabayashi. As part of a working relationship between Wrestle-1 and American promotion Total Nonstop Action Wrestling (TNA), Hayashi and Kondo earned a shot at the TNA World Tag Team Championship by defeating Desperado (Kazma Sakamoto and Masayuki Kono) on February 15, 2014. On March 2 at , Hayashi and Kondo unsuccessfully challenged The Wolves (Davey Richards and Eddie Edwards) for the TNA World Tag Team Championship in a three-way match, which also included The BroMans (Jessie Godderz and Robbie E), who went on to win the match and become the new champions. On September 22, Hayashi entered the Wrestle-1 Championship tournament, but was defeated in his first round match by Kondo. On October 12, Hayashi worked TNA's Bound for Glory event in Tokyo, unsuccessfully challenging Samoa Joe for the TNA X Division Championship in a three-way match, which also included Low Ki. In November, Hayashi and Kondo took part in the First Tag League Greatest tournament, set to determine the inaugural Wrestle-1 Tag Team Champions, where they finished second in their block with a record of three wins and one loss, advancing to the semifinals. On November 30, Hayashi and Kondo first defeated Kai and Ryota Hama in the semifinals and then Akira and Manabu Soya in the finals to win the tournament and become the inaugural Wrestle-1 Tag Team Champions. After seven successful title defenses, they lost the title to Soya and Jun Kasai on July 12, 2015. On October 9, Kondo broke off his partnership with Hayashi. On January 31, 2016, Hayashi, Minoru Tanaka and Tajiri won the vacant UWA World Trios Championship. They lost the title to Andy Wu, Daiki Inaba and Seiki Yoshioka in their fifth defense on July 29. On September 18, Hayashi and Kotaro Suzuki won the vacant Wrestle-1 Tag Team Championship. They lost the title to Koji Doi and Kumagoro on March 20, 2017.

Example Output: b

Example Input: Question: How old is the place where Hanjie was born? Passage:Fan Hanjie was born in Dabu, Guangdong. He spent his formative years at Zili College, a college his father was a founding member. In 1911, he was admitted to Guangdong Army Institute, majoring in astronomy; in 1913 after graduating he joined the military service in the Guangdong Section, as an officer of the survey bureau, in Dongjiang and the Chaoshan area. In 1920 he was transferred to the Department of Guangdong and Guangxi provinces, fighting local pirates and repress smuggling activities, and then he was promoted to the rank of captain on the Jiangping Warship. In 1923 he was again transferred to the Department of the General Staff, and promoted to the rank of colonel. In May 1924, the Whampoa Military Academy was founded in Canton, When Fan Hanjie was almost 30 years of age, and he was hesitated to enroll first, due to his mature age, most student cadets were in their early twenties. Because the successful outcome of the first KMT-CPC cooperation, Fan Hanjie had high hopes for the national revolution and he took the entrance exams and was easily admitted, is the only student who held the rank of colonel in the entire academy. After graduation from the academy, Fan Hanjie like other graduates, starting from scratch, in the army platoon, company, battalion duties to participate in the suppression of Chen Jiongming's revolt against the Nationalist Government during the Second Eastern Campaign. In the summer 1926, the National Revolutionary Army launched the Northern Expedition, and was Fan's first actual combat experience; he has been selected as commander of the 10th Regiment of the 29th Division, and was one of the first regiment commanders from the Whampoa academy. Fan led the troops to participate in the famous battle at the Ting Kau Bridge. In October the same year he was promoted to first deputy commander of 10th division. November 1927, during the KMT- CCP split, Chen mingshu, commander of the 1st Army, and 10th Division Commander Jiang Guang Nai defected to Chiang Kai-shek; Fan Hanjie also would be leaving to go to Nanjing. By Chiang Kai-sheik's orders, he was sent to the Zhejiang province as the garrison commander, as a Whampoa graduate of first class, and in August, Chiang Kai-shek stepped down, Zhejiang Guard division was abolished and Fan Hanjie was transferred to the NRA General Headquarters of the 8th Route Army . Soon Chiang Kai-shek returned to power, and sent Fan Hanjie to Japan to study the political and military strategies then he went to Germany, and studied in German military training school until the outbreak of the Manchurian incident on September 18, 1931.

Example Output:
a