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

Example Input: what is steam by valve corporation, Answer: Steam is a digital distribution , digital rights management , multiplayer and communications platform developed by Valve Corporation .
Example Output: Yes

Example Input: what is metformin used for, Answer: It is the first-line drug of choice for the treatment of type 2 diabetes , in particular, in overweight and obese people and those with normal kidney function.
Example Output: Yes

Example Input: how active can one be with copd, Answer: This limits airflow to and from the lungs, causing shortness of breath (dyspnea).
Example Output:
No

