What is the vegetable on the pizza with the pepper?
The vegetable is chili.
    src        edge_attr  dst
0     0               on   16
1     0   to the left of    7
2     1  to the right of    4
3     1  to the right of   17
4     1  to the right of    6
..  ...              ...  ...
66   22   to the left of   23
67   23               on   16
68   23  to the right of   22
69   23  to the right of   18
70   24               of   16

[71 rows x 3 columns]