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: Are cognitive-behavioral phenotypes of Williams syndrome associated with genetic variation in the GTF2I gene , in a healthy population?
Answer: These findings implicate the GTF2I gene in the neurogenetic basis of social communication and social anxiety, both in Williams syndrome and among individuals in healthy populations.
[EX A]: yes

[EX Q]: Question: Does abrogation of early apoptosis alter late inhibition of hippocampal neurogenesis after irradiation?
Answer: Early apoptotic death of neural progenitors, endothelial cells, or both does not have a causative association with late inhibition of neurogenesis after irradiation.
[EX A]: no

[EX Q]: Question: Do organ system failures predict prognosis in critically ill patients with acute renal failure requiring dialysis?
Answer: The mortality rate for intensive care unit patients with acute renal failure continues to be high. Multiple organ system failure occurs frequently and is the major cause of death. The mortality rate increases as the number of failed organs increases.
[EX A]:
yes