What vehicle is to the left of the car on the road?
The vehicle is a truck.
     src        edge_attr  dst
0      0   to the left of   18
1      0   to the left of   11
2      0   to the left of   24
3      1  to the right of   13
4      1  to the right of   10
..   ...              ...  ...
259   40   to the left of    7
260   40   to the left of   39
261   40   to the left of   10
262   40   to the left of   36
263   40   to the left of   28

[264 rows x 3 columns]