english: Because every time we've done this, in every classroom we've done, over and over again, if you go five days into it, there's a group of kids who've raced ahead and a group who are a little bit slower.
non_english: Pretože zakaždým, keď sme to urobili, v akejkoľvek triede, zas a znovu, po piatich dňoch máte skupinku detí, ktoré sú vpredu a potom skupinu, ktorá postupuje trochu pomalšie.