Definition: 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.
Input: Question: What was the population of Idaho Falls when Clark's father was elected Mayor of the town? Passage:Born on August 21, 1883, in Hadley, Indiana, Clark arrived in eastern Idaho Territory in 1884. His father Joseph engineered an early canal on the Snake River and later became the first Mayor of Idaho Falls, Idaho in 1900. Clark attended the public schools and left Idaho Falls High School at age 15 and then attended school in Terre Haute, Indiana. Clark returned to Idaho Falls working as a mercantile clerk, then moved to Mackay, Idaho shortly after its founding and saved money to attend the University of Michigan Law School, but did not graduate but instead read law to enter the bar in 1904. He entered private practice in Mackay from 1904 to 1930. He was a Judge Advocate General for the State of Idaho from 1914 to 1915. Clark left to fight in 1916 in the Border War and then World War I. He served in a machine gun unit and achieved the rank of lieutenant in the United States Army. He was a member of the Idaho House of Representatives from 1913 to 1916. He returned to private practice in Idaho Falls from 1930 to 1940. He served in the Idaho Senate from 1933 to 1936. He was the Mayor of Idaho Falls from 1937 to 1938. He was the Governor of Idaho from 1941 to 1942.


b