The rule that applies most closely to "avail" is that it is almost always used in conjunction with another word to enhance the second word's initial meaning.
It’s a ?
Because the mum is asking a question
The Honourable Society of Knights of the Round Table, also known as The Knights of the Round Table Club, is a British society which exists to perpetuate the name and fame of King Arthur and the ideals for which he stood. It meets at Lansdowne House, Berkeley Square, home of the Lansdowne Club. Hope this helps you have a wonderful day!
It is a complex sentence because it is an independent idea and a dependent idea in one sentence.
