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: Does growth hormone ( GH ) treatment restore endothelial function in children with GH deficiency?
Answer: These results indicate that endothelial function is impaired in children with GHD. GH therapy does not restore the impairment.

Answer: no

Question: Question: Does the ets-domain transcription factor Spdef promote maturation of goblet and paneth cells in the intestinal epithelium?
Answer: Spdef acts downstream of Math1 to promote terminal differentiation of a secretory progenitor pool into Paneth and goblet cells.

Answer: yes

Question: Question: Is gynecologic laparoscopic surgery associated with an increase of serotonin metabolites excretion?
Answer: The mechanism leading to the high incidence of postoperative nausea and vomiting after gynecologic laparoscopic surgery is unknown. The excretion of the serotonin metabolite 5-hydroxyindoacetic acid did not increase during the creation of the pneumoperitoneum and the first 9 h postoperatively. Increase of serotonin secretion from the gut may not explain postoperative nausea and vomiting associated with this surgery.

Answer:
no