Is the train below the cables gray or yellow?
The train is gray.
    src        edge_attr  dst
0     1  to the right of   14
1     1  to the right of   15
2     1  to the right of   13
3     1   to the left of    9
4     1   to the left of    3
..  ...              ...  ...
78   14   to the left of    9
79   14   to the left of    1
80   15   to the left of    1
81   15   to the left of    9
82   15   to the left of    8

[83 rows x 3 columns]