Are there any bags or cars?
Yes, there is a bag.
    src        edge_attr  dst
0     0  to the right of    4
1     0  to the right of   11
2     0  to the right of   19
3     0  to the right of    2
4     0  to the right of    1
..  ...              ...  ...
81   21   to the left of    6
82   21  to the right of    2
83   21   to the left of   20
84   21   to the left of   12
85   21   to the left of   14

[86 rows x 3 columns]