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 adjuvant Stereotactic Radiosurgery reduce Need for Retreatments in Patients with Meningioma Residuals?
Answer: aSRS of meningioma residuals had a positive effect on tumor control and should be considered in patients with meningioma residuals.

A: yes
****
Q: Question: Are flexible magnets effective in decreasing pain perception and recovery time after muscle microinjury?
Answer: No significant therapeutic effects on pain control and muscular dysfunction were observed in subjects wearing flexible magnets.

A: no
****
Q: Question: Does a prenatal prediction model for total nucleated cell count increase the efficacy of umbilical cord blood banking?
Answer: Our prenatal prediction model increases the efficacy of obtaining informed consent for UCB banking while still allowing relevant numbers of CBUs to be banked.

A:
yes
****