The train car is in front of what?
The train car is in front of the pipes.
     src        edge_attr  dst
0      0   to the left of   25
1      0   to the left of   18
2      0   to the left of   16
3      0  to the right of    8
4      0   to the left of   20
..   ...              ...  ...
154   25  to the right of   17
155   25   to the left of   15
156   25   to the left of   13
157   26  to the right of    6
158   26  to the right of   24

[159 rows x 3 columns]