Teacher:In this task, you're given a question, along with a context passage which has extra information available on certain terms mentioned in it, i.e., the proper nouns in the passage. Your job is to determine whether information from more than one term is needed to answer the question. Indicate your choice as 'a' for Yes or 'b' for No.
Teacher: Now, understand the problem? Solve this instance: Question: When was the Second ZhiliFengtian War fought? Passage:Xing Zhaotang () (18941961) original name Guangzu (), courtesy name Zhaotang (), was a People's Republic of China politician. He was born in Tongwei County, Gansu Province. A veteran of the Second ZhiliFengtian War, he was a regiment commander in the Guominjun. In 1927, he became a division commander in the National Revolutionary Army's 6th Division. Xing joined the opposition to Chiang Kai-shek. After the beginning of the Second Sino-Japanese War, Xing and Sun Dianying created a guerrilla force in northern Hebei Province and Chahar Province. This was absorbed into the National Revolutionary Army in 1939 as the New 5th Army, with Xing as deputy army commander. During the Chinese Civil War, Xing sided with the Communist Party of China against the Kuomintang due to opposition to Chiang. He was made vice chairman of Ningxia in 1949, chairman in 1952 and vice governor of Henan Province in 1955.

Student:
b