Is the broccoli to the right or to the left of the tomato that is to the left of the vegetable?
The broccoli is to the left of the tomato.
    src        edge_attr  dst
0     0  to the right of   10
1     0  to the right of   19
2     1  to the right of    2
3     1  to the right of    3
4     2  to the right of   13
..  ...              ...  ...
67   18        on top of   16
68   19  to the right of   10
69   19  to the right of    2
70   19   to the left of    0
71   19  to the right of    3

[72 rows x 3 columns]