Is the van to the left or to the right of the car that is on top of the road?
The van is to the left of the car.
    src        edge_attr  dst
0     0  to the right of    6
1     0  to the right of    7
2     0   to the left of    4
3     0   to the left of    1
4     0  to the right of   13
..  ...              ...  ...
74   15  to the right of    3
75   15   to the left of    8
76   16        on top of   10
77   16   to the left of   14
78   16  to the right of    9

[79 rows x 3 columns]