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 lactobacillus plantarum 299v reduce enteric bacteria or bacterial translocation in patients undergoing colon resection?
Answer: Lactobacillus plantarum 299v was established in the intestine, but no inhibitory effect on enteric bacteria, bacterial translocation, or postoperative complications was found. The mechanism behind the protective effects of probiotics found in animal and some human studies remain elusive and require further explorations. No adverse effects were recorded after the administration of high doses of Lactobacillus plantarum 299v.
[EX A]: no

[EX Q]: Question: Does toll-like receptor 4 signaling contribute to Paclitaxel-induced peripheral neuropathy?
Answer: The toll-like receptor TLR4 and MyD88 signaling pathway could be a new potential therapeutic target in paclitaxel-induced painful neuropathy.
[EX A]: yes

[EX Q]: Question: Is cyclooxygenase-2 expression a marker of poor survival in lung cancer?
Answer: The results of this study do not support COX-2 expression as an independent prognostic factor in lung cancer. However, since results of the literature are different, further studies made in larger series are needed.
[EX A]:
no