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.

Example Input: Question: Is lamin A/C deficiency an independent risk factor for cervical cancer?
Answer: Lamin A/C deficiency may serve as an independent risk factor for CIN development and as an indicator for preventive therapy in cervical cancer.
Example Output: yes

Example Input: Question: Does constitutive secretion of Interleukin-4 dictate CD133+ side population cells to resist drug treatment and cell death?
Answer: Our data suggest that the autocrine secretion of IL-4 is a potential target for the development of novel anticancer drugs to prevent the CSCs-mediated therapy failure and tumorigenesis.
Example Output: yes

Example Input: Question: Does antiretroviral therapy affect response to chronic hepatitis C therapy in HIV-coinfected patients?
Answer: The use of HAART does not influence the SVR of HCV under PEG-IFN and RBV therapy in HIV/HCV coinfected patients.
Example Output:
no