What vehicle is to the left of the van?
The vehicle is a car.
    src        edge_attr  dst
0     0   to the left of   12
1     0  to the right of   11
2     0   to the left of   13
3     0  to the right of    9
4     1   to the left of    3
..  ...              ...  ...
60   14   to the left of   12
61   14   to the left of   13
62   16  on the front of    8
63   16  to the right of   12
64   16  to the right of    2

[65 rows x 3 columns]