Complex sentence: Riyadh, Saudi Arabia will host the GCC central bank for this common currency, it was decided earlier on 5th may 2009 at the GCC consultative summit held at the Daraeya Palace in Riyadh.
Split into simpler sentences: Riyadh, Saudi Arabia will host the GCC central bank for this common currency. This was decided earlier on May 5,2009 at the GCC consultative summit held at the Daraeya Palace in Riyadh.