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.

Q: 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.

A: no
****
Q: Question: Does cognitive impairment in patients with multiple sclerosis predict worse caregiver 's health-related quality of life?
Answer: MS patients' caregivers' HRQoL is significantly influenced by information processing speed impairment of MS patients.

A: yes
****
Q: Question: Is chk1 required for the metaphase-anaphase transition via regulating the expression and localization of Cdc20 and Mad2?
Answer: These results strongly suggest that Chk1 is required for the metaphase-anaphase transition via regulating the subcellular localization and the expression of Cdc20 and Mad2.

A:
yes
****