What the vehicle that is painted is called?
The vehicle is a train.
     src        edge_attr  dst
0      0   to the left of   15
1      0   to the left of    4
2      1               on    0
3      1  to the right of   20
4      1   to the left of   16
..   ...              ...  ...
110   21  to the right of   19
111   21  to the right of   20
112   21   to the left of    2
113   21  to the right of    5
114   23  to the right of    8

[115 rows x 3 columns]