A player refuses to remove item so he is told by the referee to leave the field of play at the next stoppage as per the law. However, the player refuses to leave or remove the item. The referee then gives a yellow to the player as per the law. What next....? Does play continue? Does the referee hope the player removes the item after he receives the yellow? Does he hope the player leaves the field of player after giving the yellow? What next as a referee...?