What vehicles are parked on the sidewalk?
The vehicles are cars.
    src        edge_attr  dst
0     0   to the left of   12
1     2  to the right of    8
2     2   to the left of    3
3     2  to the right of   16
4     2   to the left of    4
..  ...              ...  ...
75   17  to the right of   13
76   17       talking on    5
77   17          wearing    4
78   18               on   16
79   19               on   16

[80 rows x 3 columns]