What kind of vehicle is parked on the road?
The vehicle is a truck.
    src        edge_attr  dst
0     0  to the right of   19
1     0  to the right of   15
2     2        parked on   13
3     2      parked near   10
4     2  to the right of   19
..  ...              ...  ...
86   21   to the left of   10
87   21  to the right of    3
88   21   to the left of   16
89   21  to the right of   19
90   21  to the right of   15

[91 rows x 3 columns]