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. Your job is to determine which sentence(s) from the passage can be used to search for further information needed to answer the question.
Input: Question: What is the location of the conservatory from which Michelangeli graduated at the age of fourteen? Passage:Born in Brescia, Italy, he began music lessons at the age of three, initially with the violin, but quickly switched to the piano. At eleven he entered the Milan Conservatory, graduating three years later at fourteen. In 1938, at the age of eighteen, he began his international career by entering the Ysaÿe International Festival in Brussels, Belgium, where he was placed seventh. A brief account of this competition, at which Emil Gilels took first prize and Moura Lympany second, is given by Arthur Rubinstein, who was one of the judges. According to Rubinstein, Benedetti Michelangeli gave "an unsatisfactory performance, but already showed his impeccable technique." A year later he earned first prize in the Geneva International Competition, where he was acclaimed as "a new Liszt" by pianist Alfred Cortot, a member of the judging panel, which was presided over by Ignacy Jan Paderewski.

Output:
At eleven he entered the Milan Conservatory, graduating three years later at fourteen