This is an oval-shaped variant of number 5.
Use the assembly instructions for Gazebo number 2 and the added pictures below.
You can find the file here
Put a mark in each corner of the lower roof part about half an inch (12mm) from the edge. This shows where to glue the wall parts on.
Do the same on the upper roof part but about 7/16″ (11mm) from the edge.
Upper wall sections and the upper roof ready to be assembled.