Is the deer to the right or to the left of the giraffe which is in the grass?
The deer is to the right of the giraffe.
    src        edge_attr  dst
0     0   to the left of   19
1     1  to the right of    7
2     1   to the left of   16
3     2               in    3
4     2   to the left of   16
..  ...              ...  ...
62   20   to the left of   17
63   20   to the left of   19
64   20   to the left of    9
65   20  to the right of    2
66   20               in    6

[67 rows x 3 columns]