An apparatus assembly for forming a compound dessert in a predetermined dome shape including a first outer mold having a dome shaped bowl with a closed semi-spherical end and an open end, and a ring shaped support base secured to said closed end of bowl body. The problem of determining the quality of student-submitted questions may be solved by automatically assigning discrimination scores to questions that indicate the extent to which successfully answering a question corresponds to overall learning achievement, e. When a menu item for operations of the external device is selected, a command is transmitted to the external device to have the external device perform the desired operation. The arcuate raised portion on the base is spaced apart from the disk by a second clearance distance. On at least one of optical surfaces on the light incidence side of the optical element formed of resin, a plurality of depressions or protrusions of a size not larger than the wavelengths of visible light is formed without a periodic structure or in a random arrangement.