What vegetable is to the left of the olives on the pizza pie?
The vegetable is a tomato.
    src       edge_attr  dst
0     0            with   15
1     0            with    5
2     0            with    9
3     0            with    1
4     0            with    2
..  ...             ...  ...
58   19  to the left of   17
59   19  to the left of    6
60   20              on    0
61   20  to the left of    1
62   21              on    0

[63 rows x 3 columns]