Definition: 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: 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.


a