Lingq dictionary Review - empty text in the "Select the missing word" activity

@zoran if it helps, I’ve noticed that quite often Lingq dictionary shows a very long excerpt for the “Select the missing word” exercise, and after selecting the answer, it shows a completely different short phrase where the word was actually used. Example of the long excerpt:

So sometimes the text is empty, and other times it is very long (it can even be several times longer than in the example).
I’m not sure if the problem is with my account only or if this is a global issue, I hope it will get fixed soon.

EDIT: 2 more examples of questionable behavior.
The word “adrenal” is a substring of the word “adrenaline”:

The whole phrase is displayed instead of displaying an excerpt around the phrase: