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".

how big is the purdue greek system, Answer: In the mid-20th century, Purdue's aviation program expanded to encompass advanced spaceflight technology giving rise to Purdue's nickname, Cradle of Astronauts.
Output:
No