What is the vehicle on the pavement?
The vehicle is a car.
     src        edge_attr  dst
0      0   to the left of   20
1      0   to the left of   12
2      1               on    0
3      1   to the left of   20
4      1   to the left of   12
..   ...              ...  ...
167   27   to the left of   14
168   27   to the left of   25
169   27   to the left of   24
170   27  to the right of   23
171   27   to the left of   18

[172 rows x 3 columns]