Regulations of how to make such an assignment should always be regarded with some suspicion. After all, what counts most in the end is the final product. Requirements, however well written, can not compensate for a product or presentation that is boring, lacking in inspiration or what is commonly called creative spark(s). In other words, try to follow these rules, but take them as supporting your creative process, and not as a constraint. Let yourself be inspired by what a famous artist of the previous century called the rethorics of the material.