What type of vehicle is to the left of the car on the right?
The vehicle is a locomotive.
    src        edge_attr  dst
0     0               in    6
1     0  to the right of    3
2     0  to the right of    2
3     0  to the right of   18
4     1   to the left of   13
..  ...              ...  ...
66   19   to the left of   10
67   20  to the right of   13
68   20   to the left of   10
69   20   to the left of   19
70   20   to the left of   11

[71 rows x 3 columns]