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: Do interictal epileptiform discharges have an independent association with cognitive impairment in children with lesional epilepsy?
Answer: Overall, IED effects on cognition were of a magnitude similar to lesional influences or drug effects (topiramate use). This study demonstrates an association between IEDs and cognitive dysfunction, independent of the underlying focal brain pathology.

Ex Output:
yes


Ex Input:
Question: Are endogenous sex hormones associated with subclinical atherosclerosis in menopausal women?
Answer: Estradiol and testosterone are not associated with subclinical atherosclerosis in menopausal women. A positive correlation between IMT and FSH may reflect an association between low estrogen and IMT. Abdominal fat can be an important link between androgenic levels and cardiovascular risk.

Ex Output:
no


Ex Input:
Question: Do medical students ' clinical skills match their teachers ' expectations : survey at Zagreb University School of Medicine , Croatia?
Answer: Students' self-assessed level of clinical skills was lower than that expected by their teachers. Education during clinical rotations is not focused on acquiring clinical skills, and additional clinical skills' training has a positive influence on students' self-assessed level of clinical skills. There was no consensus among teachers on the required level of students' clinical skills.

Ex Output:

no