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: Does a cytotoxic phenotype predict clinical outcome in anaplastic large cell lymphomas?
Answer: In primary biopsies of patients with ALCL, the presence of a cytotoxic phenotype is not related to clinical outcome of the disease.
[EX A]: no

[EX Q]: Question: Does transparent and open discussion of errors increase malpractice risk in trauma patients?
Answer: A transparent discussion of errors, complications, and deaths does not appear to lead to an increased risk of lawsuit.
[EX A]: no

[EX Q]: Question: Do cell-surface estrogen receptors mediate calcium-dependent nitric oxide release in human endothelia?
Answer: Physiological doses of estrogen immediately stimulate NO release from human endothelial cells through activation of a cell-surface estrogen receptor that is coupled to increases in intracellular calcium.
[EX A]:
yes