Q: Does "The popular claim is that in Brazil, poor whites are considered black and wealthy blacks are considered white." provide a valid answer to "What does Preto mean?"?
A: no

Q: Does "Somerset has a high indigenous British population, with 98.8% registering as white British and 92.4% of these as born in the United Kingdom." provide a valid answer to "What percentage of the population is native"?
A: yes

Q: Does "S.B. Bernstein speculates that it derives from a reconstructed Proto-Indo-European *(s)lawos, cognate to Ancient Greek laos "population, people," which itself has no commonly accepted etymology." provide a valid answer to "Who speculates that *slava derives from a reconstructed Proto-Indo-European *(s)lawos?"?
A: yes

Q: Does "Nociceptive pain is caused by stimulation of peripheral nerve fibers that respond to stimuli approaching or exceeding harmful intensity (nociceptors), and may be classified according to the mode of noxious stimulation." provide a valid answer to "How is nociceptive pain classified?"?
A:
yes