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: Does inhibition of late sodium current attenuate ionic arrhythmia mechanism in ventricular myocytes expressing LaminA-N195K mutation?
Answer: Inhibition of late I
Example Output: yes

Example Input: Question: Are cXXC4 mRNA levels associated with clinicopathological parameters and survival of myelodysplastic syndrome patients?
Answer: This study demonstrated that the age of patients and levels of CXXC4 mRNA, hemoglobin, and marrow blast associated with survival of MDS patients.
Example Output: yes

Example Input: Question: Does oral clonidine premedication alter the efficacy of simulated intravenous test dose containing low dose epinephrine in awake volunteers?
Answer: Oral clonidine does not alter the efficacy of epinephrine-containing test doses used for detecting intravascular injection.
Example Output:
no