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.

Q: Question: Are anti-cyclic citrullinated peptide antibodies associated with familial Mediterranean fever?
Answer: Our results show that anti-CCP antibodies are not associated with FMF.

A: no
****
Q: Question: Is repeated sputum microscopy essential for monitoring tuberculosis treatment response?
Answer: The yield of a second on-the-spot sputum specimen is negligible, provided that the first smear is from an overnight specimen. From the data available, it is evident that repeated follow-up smears are not essential for documenting treatment outcome.

A: no
****
Q: Question: Is dual oxidase 2 in lung epithelia essential for hyperoxia-induced acute lung injury in mice?
Answer: Here, we present the novel finding that DUOX2-generated ROS induce AEC death, leading to hyperoxia-induced lung injury.

A:
yes
****