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

Ex Input:
how were letters sealed in the 1800s, Answer: The sealing process is essentially that of a mould , with the final image represented on the device for making the impression by a mirror-image design, incised in sunken- (or counter-) relief or intaglio .

Ex Output:
No

Ex Input:
how old were the twin towers when destroyed, Answer: The World Trade Center is a complex of buildings under construction in Lower Manhattan , New York City , United States , replacing an earlier complex of seven buildings with the same name on the same site.

Ex Output:
No

Ex Input:
who sang sun city, Answer: "Sun City" is a 1985 protest song written by Steven Van Zandt , produced by Van Zandt and Arthur Baker and recorded by Artists United Against Apartheid to convey opposition to the South African policy of apartheid .

Ex Output:
Yes