A stacked structure including a soluble organic semiconductor material and a water soluble photosensitive material is provided. In a surface acoustic wave element on the balanced side, the phase between the input and output terminals is 180 degrees shifted so that the phase difference between the outputs on the balanced side becomes substantially 180 degrees. A child bitmap is typically used for identifying which trie paths emanate and which trie paths do not emanate from the lowest level subset of the multiple nodes. Thus, the prosthesis imitates and approximates the mechanical properties of a healthy natural intervertebral disc. Multifunctional polymers useful in conjunction with the resist composition are also provided, as is a process for generating a resist image on a substrate using the present compositions and polymers. The gift container preferably includes an integral device for securing a greeting card positioned on a first panel of the gift container.