Is the van to the left or to the right of the white car?
The van is to the right of the car.
    src        edge_attr  dst
0     2  to the right of   12
1     2   to the left of    3
2     3  to the right of   12
3     3  to the right of    2
4     4  to the right of   12
..  ...              ...  ...
72   21  to the right of    9
73   21  to the right of   13
74   21  to the right of   10
75   21  to the right of   17
76   21  to the right of   15

[77 rows x 3 columns]