instruction:
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:
Question: Does helicobacter pylori infection in Mongolian gerbils initiate hematological diseases?
Answer: A single H. pylori infection is insufficient to cause onset of ITP or IDA and other factors may be required for disease onset.
answer:
no

question:
Question: Does diabetes influence oral oncogenesis through fibroblast growth factor receptors?
Answer: It seems that diabetes does not affect the FGFR-2 and FGFR-3 pattern of expression throughout the various stages of oral oncogenesis.
answer:
no

question:
Question: Does prenatal high-dose vitamin D3 supplementation have balanced effects on cord blood Th1 and Th2 responses?
Answer: Third-trimester high-dose vitD3 supplementation in healthy pregnant women had balanced effects on biomarkers of cord blood Th1 and Th2 responses.
answer:
yes