Which kind of vegetable is on the pizza?
The vegetable is a tomato.
    src        edge_attr  dst
0     0             with    5
1     0  to the right of    6
2     0  to the right of    1
3     0  to the right of   17
4     0  to the right of   16
..  ...              ...  ...
59   18  to the right of   10
60   18   to the left of   14
61   18          holding   12
62   18  to the right of    9
63   19               on    5

[64 rows x 3 columns]