Does the train that is to the left of the other train look green?
No, the train is white.
    src        edge_attr  dst
0     0  to the right of   14
1     0   to the left of    4
2     0  to the right of   15
3     0   to the left of   12
4     0   to the left of    6
..  ...              ...  ...
91   22  to the right of    5
92   22   to the left of   12
93   22            above   11
94   23  to the right of   11
95   23             near    8

[96 rows x 3 columns]