There's a sentence in this lesson that says "Ми шукаємо вулицю Хрещатик". The meaning of this sentence is quite simple to understand, but, unfortunately, the name of the street given is incredibly difficult to translate to English, as there's like a hundred ways to type it. Hreschatyk? Khreshatyk? Hreschatik?... The lesson itself looks for a very specific spelling, so it's very easy to fail this question even if you understand the sentence properly. Thus, wouldn't it be a better idea to just replace this street name with something that's easier to spell in English?