Have you read that?
Read Part 13 on this site:
http://www.kingarthursknights.com/others/greenknight2.asp
A question from Sir Knight and the Green Knight
After the Green Knight addresses King Arthur and his Knights, King Arthur says, "By Heaven, Sir, your request is strange". What is the Green Knight's request?
2 answers
after the green knight addeses kng Arthur and his knighs' king Arthur says, "by heaven, sir, what is the green kinight'a request