In this task, you are given a question and an answer. Answer "Yes" if the given answer correctly answers the question, otherwise answer "No".

Input: Consider Input: what composer used sound mass, Answer: The use of "chords approaching timbres" begins with Debussy and Edgard Varese often carefully scored individual instrumental parts so that they would fuse into one ensemble timbre or sound mass (Erickson 1975, pp. 18 and 21).

Output: Yes

Input: Consider Input: how old were the twin towers when destroyed, Answer: Memory Foundations , designed by Daniel Libeskind , was selected as the master plan, but this went through substantial changes in design.

Output: No

Input: Consider Input: how long was richard nixon a president, Answer: Richard Milhous Nixon (January 9, 1913 April 22, 1994) was the 37th President of the United States , serving from 1969 to 1974, when he became the only president to resign the office.
Output: Yes