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.
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Question: Question: Does leukocyte concentration and composition in platelet-rich plasma ( PRP ) influence the growth factor and protease concentrations?
Answer: These findings demonstrate that leukocytes strongly influence the quality of PRPs. Therefore, modifying the PRP preparation method according to the pathology is essential to achieve better clinical results with PRP therapy.

Answer: yes

Question: Question: Does prospective international cohort study demonstrate inability of interim PET to predict treatment failure in diffuse large B-cell lymphoma?
Answer: This large international cohort delivers 3 novel findings: treatment response assessed by I-PET is comparable across disparate healthcare systems, secondly a negative I-PET findings together with good clinical status identifies a group with an EFS of 98%, and thirdly a single I-PET scan does not differentiate chemoresistant lymphoma from complete response and cannot be used to guide risk-adapted therapy.

Answer: yes

Question: Question: Does transvaginal Prolift ( ®️ ) mesh surgery due to advanced pelvic organ prolapse impair female sexual function : a prospective study?
Answer: Surgical treatment of advanced POP with the Prolift(®️) system does not negatively influence sexual function, but patients should not expect a significant improvement after this type of operation. Additionally performed surgical restoration of perineal body does not reduce sexual function, either.

Answer:
no