Yes give them a simple answer and then when at home explain if they asked you then they will ask someone else or it was a topic with there friends they will find out so try be smart about it and give a answer that wont disrupt the dinner and follow with another subject you can always explain that people don’t talk openly about these things and you will talk to them later about it but make sure you follow up on it the last thing you want is your kid finding out things from there friends you want your kids to feel safe asking you or telling you anything
It really depends on the question. If the question is something like, “Why does that lady look like she swallowed a watermelon?” It probably is a good time to tell your child about the evils of making personal comments.
Truthfully, you really have to make a quick assessment of the question, time, and place, and decide in the moment what the right approach might be. There is no one-size-fits-all answer here.
Re post by eyalovich: One of my great aunts worked as a typist 90 years ago, on her own typewriter. When I saw the typewriter 50 years ago, I noticed it had no key for the period (or the numerals one and zero). When she passed away, I looked for that old typewriter, as I found it an interesting relic, and, possibly, a collectible with dollar value. I never found it and assumed she discarded it before she left this world, but I now think you are using it to type your posts.