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.
--------
Question: Question: Does antidepressant medication treatment failure predict lower remission with ECT for major depressive disorder : a report from the consortium for research in electroconvulsive therapy?
Answer: Treatment failure with anti-depressant medication does not predict acute remission status with ECT for nonpsychotically depressed patients.

Answer: no


Question: Question: Is cigarette smoking associated with a reduction in the risk of incident gout : results from the Framingham Heart Study original cohort?
Answer: Cigarette smoking is associated with lower incidence of gout and this is not explained by differences in the prevalence of risk factors. The mechanistic underpinnings of this epidemiological finding merits further study.

Answer: yes


Question: Question: Do three residues at the interface of factor XI ( FXI ) monomers augment covalent dimerization of FXI?
Answer: The data suggest that Leu284, Ile290 and Tyr329 in the interface of FXI monomers are essential for forming non-covalently bonded dimers that facilitate formation of a disulfide-bonded stable FXI dimer.

Answer:
yes