Which kind of vehicle is on the street?
The vehicle is a van.
    src        edge_attr  dst
0     1  to the right of   13
1     1   to the left of    3
2     2  to the right of    9
3     2  to the right of   17
4     2  to the right of    8
..  ...              ...  ...
64   17   to the left of    6
65   17               on   15
66   17  to the right of   13
67   17   to the left of   16
68   18   to the left of   13

[69 rows x 3 columns]