Software Testing fifth edition (A Craftsman's Approach approach) chapter 6 question answer needed. Please answer the below question which is question 8. Thanks

8. Use the seven definitions of quadrilateral types (see Figure 2.1 ) to develop a set of equivalence classes for the Quadrilateral Program. Does it make any sense to consider the four variations of equivalence class testing? Or would it be sufficient just to test based on your equivalence classes