What is the vehicle behind the person to the left of the cigarette?
The vehicle is a car.
    src        edge_attr  dst
0     0   to the left of    6
1     0  to the right of    8
2     1   to the left of   16
3     1   to the left of    2
4     1   to the left of    5
..  ...              ...  ...
72   16   to the left of   15
73   16  to the right of    1
74   16               of    5
75   16  to the right of    8
76   16  to the right of   13

[77 rows x 3 columns]