Which type of vehicle is shown?
The vehicle is a train.
     src        edge_attr  dst
0      0  to the right of   10
1      0  to the right of    2
2      0  to the right of   13
3      1  to the right of   15
4      1  to the right of    9
..   ...              ...  ...
97    20   to the left of   10
98    21  to the right of    8
99    21   to the left of    2
100   21   to the left of   10
101   21  to the right of   20

[102 rows x 3 columns]