Could someone tell me if there is something lack in the following sentence, especially after 'St Petersburg' but before 'the city's'? I added the part in the brackets in bold. Is that correct?



Again, is everything normal in this one, too, especially after "firstly" and before "in connection with"? Is the below "by" used in the sense of 'of'?



Thank you in advance.

The part in bold is completely wrong pagli.
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Second part
PERFECT

OK. it is a committee, but then why is it there after "St. Petersburg"? What is its function there?

OK. It helps if we move the quotation marks and give capital letters to the name of the committee. i.e.
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a similar sentence:-

"AEnigma plans to go to sleep soon in England" the country's Committee for Sleep and Relaxation reveals

I couldn't ask what I really want to ask. I meant, everything up to "in St. Petersburg" is normal and meaningful. But what the hell the following part is doing there? I mean the part starting with "the city's".

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Ahhhhhh! Arggggg! I am so stupid! I am so stupid! I just saw it now! Yes, it is that city-stuff that reveals blah blahh...

Ahh, I saw it now. ( Thank you so much aenigma for your help.