english: A study in Florida just a few years ago found that if you're sitting where this photograph was taken in the classroom, row four, speech intelligibility is just 50 percent.
non_english: Istraživanje na Floridi  pre samo nekoliko godina pokazalo je da, ako sedite na mestu  gde je napravlljena ova fotografija u učionici, četvrti red,  razumevanje govora je samo 50 procenata.