How to remove a specific node and its child

 <?xml version="1.0"?> <faq> <item> <q>Question 1</q> <a>Answer 1</a> </item> <item> <q>Question 2</q> <a>Answer 2</a> </item> <item> <q>Question 4</q> <a>Answer 4</a> </item> </faq> ...