Usual patronising prune response from some above.
Ask a civil question, receive a mocking answer.
One of the responsibilities you have for the privilege of holding a licence to fly is to understand the very regulation that governs is it. The question asked was one of the most fundamental questions that every pilot should know and is asked with despondent frequency.
The use of the search engine would have prevented mocking, therefore it would not be unreasonable for many of us to treat the question as a troll from someone looking to have a bit of mischief.......