What is the vegetable that this pizza is topped with?
The vegetable is an olive.
     src        edge_attr  dst
0      0  to the right of   20
1      0  to the right of   19
2      0  to the right of   22
3      0  to the right of   23
4      0   to the left of    6
..   ...              ...  ...
103   22   to the left of   11
104   23   to the left of    8
105   23   to the left of   11
106   23   to the left of    0
107   23   to the left of   19

[108 rows x 3 columns]