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 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.

Output: yes

Input: Consider Input: Question: Are mannose-binding lectin polymorphisms associated with rheumatoid arthritis -- confirmation in two large cohorts?
Answer: MBL genotype groups are not associated with RA disease susceptibility or severity in this large study including a confirmation cohort. Compared with previous smaller studies these results add to more definite conclusions.

Output: no

Input: Consider Input: Question: Do birth order and hospitalization for alcohol and narcotics use in Sweden?
Answer: Later born siblings are more likely to be hospitalized for both alcohol and narcotics use in Sweden. These birth order effects are substantial in size, and larger than the estimated sex differences for the risk of hospitalization related to alcohol and drug use before age 20, and previous estimates for socioeconomic status differences in alcohol and drug abuse.
Output: yes