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 Q]: Question: Does ginsenoside Rg3 improve erectile function in streptozotocin-induced diabetic rats?
Answer: Oral gavage with Rg3 appears to both prevent degeneration of neurons in the dorsal nerves and exert an antioxidant effect in the corpus cavernosum of rats.
[EX A]: yes

[EX Q]: Question: Do apolipoprotein E genotypes influence the age of onset in Huntington 's disease?
Answer: The ApoE genotype does not affect the course of HD significantly.
[EX A]: no

[EX Q]: Question: Is severity of hearing impairment positively associated with urine albumin excretion rate in patients with type 2 diabetes?
Answer: The present study showed increased albuminuria was positively associated with the severity of hearing impairment among patients with type 2 diabetes. Screening for hearing impairment in diabetic patients who develop albuminuria might provide early detection of hearing impairment.
[EX A]:
yes