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.

Ex Input:
Question: Does tRAIL receptor deletion in mice suppress the inflammation of nutrient excess?
Answer: These data advance the concept that macrophage-associated hepatic and adipose tissue inflammation of nutrient excess requires TR signaling.

Ex Output:
yes


Ex Input:
Question: Does atomoxetine reduce hyperactive/impulsive behaviours in neurokinin-1 receptor 'knockout ' mice?
Answer: This evidence that atomoxetine reduces hyperactive/impulsive behaviours in NK1R(-/-) mice consolidates the validity of using NK1R(-/-) mice in research of the aetiology and treatment of ADHD.

Ex Output:
yes


Ex Input:
Question: Are herpes simplex virus , cytomegalovirus , and papillomavirus DNA found in patients with chronic pelvic pain syndrome undergoing radical prostatectomy for localized prostate cancer?
Answer: A viral etiology could not be demonstrated in CPPS. In addition, no association of the viruses with prostate cancer could be found.

Ex Output:

no