Instructions: In this task, you're given a question, a context passage, and four options which are terms from the passage. After reading a passage, you will get a brief understanding of the terms. Your job is to determine by searching and reading further information of which term you can answer the question. Indicate your choice as 'a', 'b', 'c', or 'd'. If you think more than one option is plausible, choose the more probable option to help you answer the question.
Input: Question: What is the largest city in the state where Chandrasekhar was born? Passage:Vadapalli Chandrasekhar, born on 6 November 1958 in Kolkata, in the Indian state of West Bengal, graduated in chemistry in 1975 and completed his post graduate studies in 1977 at Osmania University before enrolling for doctoral studies at Indian Institute of Science under the guidance of S. S. Krishnamurthy. After securing a PhD in 1982, he moved to the University of Massachusetts, Amherst in 1983 and completed his post-doctoral studies at the laboratory of Robert R. Holmes in 1986. He returned to India the same year and started his career as a senior research officer at Indian Petrochemicals Corporation Limited but his stay there lasted only one year. In 1987, he joined IIT Kanpur as an assistant professor to commence a service which would extend till 2012; during this period, he held various positions such as that of an associate professor (19911995), professor (1995), head of the department of chemistry (20082010) and dean of faculty affairs (20112012). His next move was to Tata Institute of Fundamental Research at their Hyderabad research station as a senior professor and dean and in 2014, he shifted to National Institute of Science Education and Research where he serves as the director. He has also served as a visiting faculty or fellow at various institutions such as University of Calgary, University of Gottingen, University of Tsukuba, and University of Wurzburg.
Links: a. Kolkata b. Tata Institute of Fundamental Research c. University of Massachusetts Amherst d. West Bengal
Output:
d