Is the black car to the right or to the left of the plate?
The car is to the left of the plate.
    src        edge_attr  dst
0     0  to the right of   15
1     0  to the right of   17
2     0   to the left of   19
3     0   to the left of   16
4     0   to the left of   21
..  ...              ...  ...
81   19  to the right of   13
82   19   to the left of    4
83   20  to the right of    5
84   20   to the left of   14
85   21  to the right of    0

[86 rows x 3 columns]