The invention relates to compounds of formula IVhaving pharmacological activity towards the sigma receptor, to processes of preparation of such compounds, to pharmaceutical compositions comprising them, and to their use for the treatment and or prophylaxis of a disease in which the sigma receptor is involved. The video demographics analysis system extracts demographic data from viewer profiles related to videos in the training set and creates a set of demographic distributions, and also extracts video data from videos in the training set. The controller is configured to execute a first process based on whether the first detection information and the second detection information are output when the third detection information is output during insertion of the ink cartridge into the cartridge mounting portion. A recess is recessed from a top surface of the light emitting structure. Then, the drape portions are pulled inside the molding slots.