Detailed Instructions: 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: Is nuclear factor B-dependent regulation of angiogenesis , and metastasis in an in vivo model of thyroid cancer associated with secreted interleukin-8?
Answer: These studies suggest that NF-B signaling is a key regulator of angiogenesis and growth of primary and metastatic thyroid cancer, and that IL-8 may be an important downstream mediator of NF-B signaling in advanced thyroid cancer growth and progression.
A:
yes