Are there any cars to the left of the bus on the right?
Yes, there is a car to the left of the bus.
    src        edge_attr  dst
0     0   to the left of    9
1     0   to the left of    8
2     0   to the left of   19
3     0  to the right of    6
4     0   to the left of    4
..  ...              ...  ...
82   22  to the right of   21
83   22  to the right of   20
84   23   to the left of   21
85   23   to the left of   22
86   23   to the left of   20

[87 rows x 3 columns]