Is the blue vehicle to the left or to the right of the box?
The train is to the left of the box.
    src        edge_attr  dst
0     0   to the left of   17
1     0   to the left of   14
2     1  to the right of   12
3     1  to the right of   15
4     1               of   17
..  ...              ...  ...
69   17  to the right of    4
70   17  to the right of    0
71   17  to the right of    9
72   17  to the right of    7
73   17  to the right of    8

[74 rows x 3 columns]