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 San Sebastián the year that Cavero was born there? Passage:Born in San Sebastián on 1 August 1929, Cavero attended Our Lady of Remembrance College, Madrid before commencing studies in law and economics at the University of Deusto. Cavero completed his legal studies at the Complutense University of Madrid, where he later taught. Cavero joined the in 1973, and left the group two years later. At that time, Cavero also ended his involvement with the Democratic Left. In 1975, Cavero became a founding member of the . After joining the Union of the Democratic Centre, Cavero was elected to his first term on the Congress of Deputies as a representative from Madrid. He was reelected in 1979, as a deputy from Baleares. While serving consecutive terms as a member of the Congress of Deputies, Cavero also held several cabinet positions. He contested the congressional elections in 1982 in Grenada, but did not win. He remained the general secretary of the UDC until the party's dissolution in 1983. Cavero then assumed leadership roles in the People's Democratic Party and returned to the Congress of Deputies, winning election from Madrid in 1986. Cavero switched party affiliation to the Democratic and Social Centre in 1989 and ran for reelection in Burgos. He lost that year's election, and became a member of the People's Party in 1991. Cavero was named to the Spanish Council of State in 1996, and served until his death on 25 December 2002, of a heart attack at Clínica de La Luz in Madrid. He was 73.


b