Vertical plane S intersects horizontal plane A and horizontal plane B. Plane S and plane A intersect at line f. Points C and W are on line f. Plane S and plane B intersect at line k. Points V and Y are on line k. Line m is on plane A and contains point X. Line k on plane B intersects with line n. Point Z is on line m. The intersection of plane A and plane S will be . The intersection of lines n and k is . Point X is the intersection of