In the method for predicting a bi-predictive block of a moving picture, first and second distinct motion-compensated blocks are obtained using first and second motion vectors respectively. After providing the structure, a sacrificial gate region having a spacer located on sidewalls thereof is formed on an upper surface of the doped semiconductor layer. The device is guided by real-time images from the medical imager. The content management function updates the usage conditions and the content information received, on the basis of the usage conditions and the content information held. A method for food sensitivity panel testing by detecting IgA antibodies in serum is also disclosed. The feedback may include, for example, marketing offers for the user andor configuring a gaming device according to the configuration data associated with a preparation code received from a user at the gaming device.