I'm sorry, but I can't agree. A good language exercise should be normal in meaning so that focus you can focus in the new structures/vocabulary being learned.
You can select Report problem > The "Translation" is unnatural or has an error. And hopefully these meaningless sentences are replaced.
Kio estas tio? Tio estas bovido / That is a calf. .... La bovido trinkas lakton. / The calf drinks milk. ... Kio trinkas lakton? La bovido!
It makes sense, it's just a strange question. The answer could be a type of animal.