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: Besides the one who adopted him, what were the names of Matsumoto's siblings? Passage: was the 2nd Matsudaira daimyō of Matsumoto Domain and 7th hereditary chieftain of the Toda-Matsudaira clan. His courtesy title was Tamba-no-kami. Mitsuo was the fifth son of Matsudaira Mitsuhiro and was born at Yodo Castle. In 1732, he was posthumous adopted as heir by his elder brother, Matsudaira Mitsuchika and was received in formal audience by Shōgun Tokugawa Yoshimune. In 1735, the authority to issue travel permits to women passing through official checkpoints at the Usui Pass and Fukushima-juku on then Nakasendō highway was restored to Matsumoto Domain. In 1743, the shogunate abolished its jin'ya at Shiojiri and placed the 159 tenryō villages with a kokudaka of 53,290 koku under the administration of Matsumoto Domain, although subsequently (in 1788), Naka-no-jō jin'ya was established to administer 13,000 koku of this territory. His wife was a daughter of Satake Yoshimune of Kubota Domain. He died at the clan's Gofukubashi residence in Edo in 1756 at the age of 41.


b