who fills out these parental guidance infos?

After readng throug the description of sexuality etc. in this film here on imdb, I found it odd, if that's an official of some sort, writing as it is written?

I have seen the film, all the descriptions are accurate however, there was alot of and I copy/pate:
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(they appear as young adults, not sure exactly how old they are supposed to be)

(I don't remember the exact word he uses)

(?)

- written in parenthesis!



Under profanity:

Period-relative profanity that I didn't totally hear/understand.




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