What is the white vehicle called?
The vehicle is a train.
    src        edge_attr  dst
0     0   to the left of   14
1     0   to the left of    1
2     1   to the left of   19
3     1  to the right of   20
4     1   to the left of   21
..  ...              ...  ...
74   21          wearing    3
75   21   to the left of   18
76   21  to the right of    1
77   21   to the left of   17
78   21  to the right of   11

[79 rows x 3 columns]