Sometime Lurky just keeps asking questions and when you answer again and again post after post even with an elegant response she/he questions over and over in a pointless game. It is a form of trolling.
http://www.freerepublic.com/focus/news/2716838/posts?page=303#303
If someone gives a clear answer, with links or citations, I wouldn’t need to keep asking. An opinion is not an answer.