You will be given a definition of a task first, then some input of the task.
In this task, you are given a question and an answer. Answer "Yes" if the given answer correctly answers the question, otherwise answer "No".

what composer used sound mass, Answer: Other examples include European "textural" compositions of the fifties and sixties such as Krzysztof Penderecki 's Threnody to the Victims of Hiroshima (1959) and Gyorgy Ligeti 's works featuring micropolyphony in works like Atmospheres (1961) and his Requiem (1963-65).
Output:
Yes