Is the silver car to the left of a train car?
Yes, the car is to the left of a train car.
    src        edge_attr  dst
0     0   to the left of   15
1     0   to the left of    7
2     0   to the left of   18
3     1               in   13
4     1   to the left of    3
..  ...              ...  ...
84   21  to the right of   17
85   21  to the right of   11
86   21  to the right of   12
87   21  to the right of    8
88   21   to the left of    4

[89 rows x 3 columns]