You will be given a definition of a task first, then some input of the task.
Given a passage with a question and an answer to that question, classify if the answer actually answers the question into 'yes' or 'no'. Output 'yes' if the answer answers the question and output 'no' if the answer does not answer the question.

Question: Are pharmacokinetics and pharmacodynamics of the antiplatelet combination aspirin ( acetylsalicylic acid ) plus extended-release dipyridamole altered by coadministration with the potent CYP2C19 inhibitor omeprazole?
Answer: The PK and PD behavior of ASA + ER-DP was not altered by concurrent administration of omeprazole.
Output:
no