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.
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Question: Question: Do skin stretching for primary closure of acute burn wounds?
Answer: Skin Stretch for primary closure of acute burn wounds is a suitable technique and can be considered for specific circumscript full-thickness burn wounds. However, future research should be performed to provide additional scientific evidence.

Answer: yes

Question: 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.

Answer: yes

Question: Question: Does in vivo T-cell depletion enhance production of anti-GALalpha1,3GAL natural antibodies in alpha1,3-galactosyltransferase-deficient mice?
Answer: In vivo T-cell depletion facilitates anti-Gal IgM production, suggesting that T cells deliver inhibitory signals to B cells responding to Gal.

Answer:
yes