What is in front of the street light?
The train is in front of the streetlight.
    src        edge_attr  dst
0     0   to the left of   13
1     0   to the left of   12
2     0  to the right of   23
3     0   to the left of   17
4     1  to the right of   20
..  ...              ...  ...
56   22   to the left of   17
57   22   to the left of   16
58   23   to the left of    0
59   23  to the right of    6
60   23   to the left of   17

[61 rows x 3 columns]