What is the name of the vehicle that is on the sidewalk?
The vehicle is a bus.
    src        edge_attr  dst
0     0               on   12
1     0   to the left of   16
2     0   to the left of    8
3     0   to the left of    7
4     0   to the left of    6
..  ...              ...  ...
66   17   to the left of   10
67   18   to the left of   13
68   18   to the left of   14
69   18   to the left of   17
70   18  to the right of    0

[71 rows x 3 columns]