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: Does in a safety net population HPV4 vaccine adherence worsen as BMI increases?
Answer: Obesity, as well as gravidity and Hispanic race, are risk factors for lack of HPV4 vaccine adherence among young females in a safety net population.

A: yes
****
Q: Question: Do alberta rodeo athletes develop the chronic whiplash syndrome?
Answer: Rodeo athletes appear to be in at least as many motor vehicle collisions as rodeo spectators, and 33% suffered the acute whiplash syndrome. Rodeo athletes appear, however, to be more resistant than spectators to developing prolonged pain and disability.

A: no
****
Q: Question: Does dexmedetomidine inhibit inducible nitric oxide synthase in lipopolysaccharide-stimulated microglia by suppression of extracellular signal-regulated kinase?
Answer: Dexmedetomidine attenuates NO and iNOS accumulation by inhibiting extracellular signal-regulated kinase (ERK) activation in both BV2 cells and primary microglial cells.

A:
yes
****