What is the dog in front of?
The dog is in front of the truck.
    src        edge_attr  dst
0     0   to the left of   15
1     0   to the left of   11
2     2   to the left of   17
3     2   to the left of   11
4     2   to the left of    6
..  ...              ...  ...
79   21  to the right of   15
80   21  to the right of    3
81   22  to the right of   23
82   23   to the left of   22
83   24  to the right of   15

[84 rows x 3 columns]