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.

Input: Consider Input: Question: Is p53CM1 expression associated with prognosis in uterine cervical carcinoma?
Answer: The p53CM1 expression in cancer cells is not a predictive factor for the prognosis of patients with cervical carcinoma.

Output: no


Input: Consider Input: 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.

Output: yes


Input: Consider Input: Question: Is the passage of meconium alone a sign of correctly positioned anus?
Answer: The passage of meconium is not the only sign of correctly positioned anus. A careful physical examination and awareness of this anomaly are of great importance in making a timely diagnosis of anorectal malformations.


Output: no