What is the vehicle that is the same color as the roof called?
The vehicle is a train.
     src        edge_attr  dst
0      0   to the left of   14
1      0   to the left of    9
2      0  to the right of   17
3      0  to the right of   16
4      0   to the left of    6
..   ...              ...  ...
224   30   to the left of   27
225   30   to the left of   28
226   30   to the left of   29
227   31   to the left of   23
228   31   to the left of   19

[229 rows x 3 columns]