What is in front of the vehicle in the bottom?
The bus is in front of the car.
    src        edge_attr  dst
0     0  to the right of    3
1     0   to the left of    7
2     0      in front of   11
3     0   to the left of    5
4     0      in front of   12
..  ...              ...  ...
86   19   to the left of    2
87   19   to the left of    7
88   19  to the right of   10
89   19   to the left of   17
90   19   to the left of   16

[91 rows x 3 columns]