What vehicle is the bus in front of?
The bus is in front of the car.
     src        edge_attr  dst
0      0               on   25
1      0  to the right of   10
2      0   to the left of    8
3      0  to the right of   21
4      0   to the left of   27
..   ...              ...  ...
113   27   to the left of    3
114   27  to the right of    0
115   27   to the left of   22
116   27  to the right of    9
117   28   to the left of    0

[118 rows x 3 columns]