Is the topping on a donut?
No, the topping is on the pizza.
    src        edge_attr  dst
0     0          next to    0
1     0             near    0
2     0          next to    2
3     0               on    6
4     0             near    2
5     0   to the left of    3
6     1               on    7
7     1   to the left of    6
8     2   to the left of    8
9     2               on    6
10    2             near    0
11    3  to the right of    0
12    3               on    6
13    5               on    7
14    6               on    7
15    6             with    2
16    6             with    3
17    6             with    8
18    6  to the right of    1
19    8  to the right of    2
20    8               on    6
21    9               on    6