Is the vehicle to the left of the box brown or purple?
The train car is brown.
     src        edge_attr  dst
0      0   to the left of   11
1      0  to the right of   17
2      0   to the left of    2
3      0   to the left of    6
4      0   to the left of   21
..   ...              ...  ...
103   27   to the left of   20
104   27   to the left of   18
105   27   to the left of    8
106   27  to the right of    5
107   27  to the right of    3

[108 rows x 3 columns]