Detailed Instructions: 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.
Problem:Question: How cold was it in Sarajevo when Baruh was born? Passage:Kalmi Baruh was born in December 1896 in Sarajevo, in one of the oldest Sephardic families in Bosnia and Herzegovina. He attended elementary school in the town of Višegrad (Вишеград), and has graduated from high-school in Sarajevo. Baruh's academic studies and the PhD - Der Lautstand des Judenspanischen in Bosnien (The Sound System of the Judeo-Spanish in Bosnia) were at Vienna University. He worked as a teacher in the First Sarajevan Gymnasium/High-school, and was the only Balkan Peninsula scholarship recipient from the Spanish Government for the post-doctoral studies in the Spanish Center for Historic Studies in Madrid (1928/9). For a long period of years he worked together with several Yugoslav and European magazines in the field of linguistics and literature, such as: Srpski književni glasnik and Misao, both from Belgrade, Revista de filología Española (Madrid)... He collaborated with the Institute for Balkan Studies and the University of Belgrade and the Royal Spanish Academy. He translated from Spanish to Serbian (Enrique Larreta: Slava don Ramira, Jedan život u doba Filipa II, Narodna prosveta, Belgrade, 1933; Jose Eustasio Rivera: Vrtlog, Minerva, Subotica-Belgrade, 1953 ...). Baruh presented some of the less known modern Spanish literature in Yugoslavia and provided reviews for it. He also published linguistic comparative studies, school books and scientific works on philology reviews, especially in Romanic languages. He collected, annotated and explored Judeo-Spanish linguistic forms and romances throughout Bosnia, Priština (Приштина) and Skopje (Скопје). Baruh was one of the pillars of the Sarajevan progressive magazine Pregled, and competent basis for the congregational magazines Jevrejski život and Jevrejski glas, as well as for the cultural-educational society La Benevolencija. He cooperated with Prof. Ernesto Giménez Caballero, Dr. Ivo Andrić, Isidora Sekulić, Žak Konfino, Stanislav Vinaver, Dr. Jovan Kršić, Dr. Moric Levi, Laura Papo Bohoreta... .

Solution:
b