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: How much square mileage in total did India retain? Passage:Prior to 1947, Baltistan was part of the princely state of Jammu and Kashmir, having been conquered by Raja Gulab Singh's armies in 1840. Baltistan and Ladakh were administered jointly under one wazarat (district) of the state. Baltistan retained its identity in this set-up as the Skardu tehsil, with Kargil and Leh being the other two tehsils of the district. After the Maharaja of Jammu and Kashmir acceded to India, Gilgit Scouts overthrew the Maharaja's governor in Gilgit and captured Baltistan. The Gilgit Agency and Baltistan have been governed by Pakistan ever since. The Kashmir Valley and the Kargil and Leh tehsils were retained by India. A small portion of Baltistan, including the village of Turtuk in the Nubra Valley, was incorporated into Ladakh after the Indo-Pakistani War of 1971.


a