What vegetable is to the left of the fork?
The vegetable is lettuce.
    src        edge_attr  dst
0     0  to the right of    3
1     0  to the right of   10
2     0  to the right of    8
3     0   to the left of   15
4     0   to the left of   14
..  ...              ...  ...
84   17  to the right of    4
85   17  to the right of    6
86   17  to the right of    8
87   17  to the right of   10
88   17  to the right of   13

[89 rows x 3 columns]