Question pretext
Enumerator: read: now we'll do the same thing, except this time i'll read the digits forward and you repeat them to me backwards. For example, if i say 501, you say 105. Or if i say 5678? [wait for response]. I will read each set of numbers only once so be careful to pay attention the first time. If you miss what i've said, just try your best to repeat whatever you heard.