So far, there are two questions that seems asked about rephrasing a sentence that could be used in a legal context.
Should the FAQ say something about this type of questions (i.e. the questions are on-topic/off-topic)?
Saying that those questions are off-topic would mean that answering those questions is outside the purpose of the site.
In the case there is no reason to declare those questions off-topic:
Should the FAQ suggest the OP to declare when the given answers are used to change text that is going to be used in some legal documents?
Mi Yodeya has the following note, in its FAQ:
Like Wikipedia, this site makes no guarantee of validity, and does not offer professional (particularly rabbinic) advice. Treat information you find here as if it came from a crowd of your friends.
Should our FAQ say something similar about questions asked for sentences that will be used in some legal context?