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 aerobic training alter CRP in apparently healthy , untrained men?
Answer: Regular aerobic training does not appear to affect CRP concentrations in apparently healthy, untrained men despite significant improvements in bodyweight, BF%, BMI, and VO2max.

A: no
****
Q: Question: Does production of infectious human immunodeficiency virus type 1 require depletion of APOBEC3G from virus-producing cells?
Answer: Our results suggest that Vif and APOBEC3G can be efficiently co-expressed. Thus, depletion of APOBEC3G from Vif expressing cells as suggested previously is not a universal property of Vif and thus is not imperative for the production of infectious virions.

A: no
****
Q: Question: Does two-stage hepatectomy with effective perioperative chemotherapy induce tumor growth or growth factor expression in liver metastases from colorectal cancer?
Answer: Two-stage hepatectomy did not seem to induce tumor growth activity or growth factor expression. The 2-stage strategy in combination with effective preoperative chemotherapy is a valuable strategy for colorectal metastases.

A:
no
****