An intelligent research institute currently has only three experimental robots A. B, and C, A cannot recognize color, B cannot recognize shape, and C cannot recognize color or shape. Most laboratories of the intelligent research institute have to do recognition. Experiments in color and shape recognition. If the above statement is true, which of the following must be false? ? ['There are three types of robots in some laboratories.', 'There are only robots A and B in half of the labs.', 'This intelligent institute is developing new experimental robots.', 'Only robots A and C are in half of the labs.']