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.

Question: Does resident participation affect surgical outcomes , despite introduction of new techniques?
Answer: In the context of this single surgical operation, resident participation does not substantially affect major complication rates. The common residency training paradigm provides clinical experience and supervision without necessarily impacting patient safety. Analysis of additional operations in different settings will be necessary.
no

Question: Has survival after recurrent esophageal carcinoma improved over the past 18 years?
Answer: Survival after recurrent EC in patients who undergo FU without routine imaging after esophagectomy is approximately 3 months and has not improved over the past 18 years.
no

Question: Do shorter courses of parenteral antibiotic therapy appear to influence response rates for children with acute hematogenous osteomyelitis : a systematic review?
Answer: Given the potential increased morbidity and cost associated with longer courses of intravenous therapy, this finding should be confirmed through a randomized controlled equivalence trial

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
no

