What is the tomato on, a pizza or a hamburger?
The tomato is on a pizza.
    src       edge_attr  dst
0     0              on   11
1     0  to the left of    4
2     0  to the left of    2
3     1  to the left of   13
4     1  to the left of    3
..  ...             ...  ...
78   18  to the left of    4
79   18  to the left of    2
80   18  to the left of   17
81   18  to the left of    9
82   18  to the left of   10

[83 rows x 3 columns]