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.

[EX Q]: Question: Do several mechanical manipulations of the wall of the inner ear affect air and bone conduction auditory thresholds?
Answer: It is likely that an alternative mode of cochlear excitation is possible.
[EX A]: no

[EX Q]: Question: Does proper timing of adjuvant chemotherapy affect survival in patients with stage 2 and 3 gastric cancer?
Answer: There is insufficient evidence to suggest starting adjuvant chemotherapy within 4 weeks after surgery for patients with D2 resected stage 2 and 3 gastric cancer. However, delayed treatment of adjuvant chemotherapy after 8 weeks showed worse survival outcomes than early and intermediate treatment initiation, suggesting that adjuvant chemotherapy should be considered start within 8 weeks after radical resection.
[EX A]: yes

[EX Q]: Question: Does [ 10 year result with a cemented fine-grit-blasted titanium-aluminum-vanadium hip endoprosthesis shaft ]?
Answer: Our findings with a cemented mild grid blasted Titanium-Aluminum-Vanadium stem demonstrate excellent results unlike it was reported for cemented femoral components of similar alloy but different design and cementation philosophy.
[EX A]:
yes