Is the lady to the left or to the right of the man that is to the left of the horse?
The lady is to the left of the man.
     src        edge_attr  dst
0      0  to the right of    5
1      0  to the right of   15
2      1  to the right of    9
3      1  to the right of    2
4      2   to the left of   17
..   ...              ...  ...
123   25   to the left of   12
124   25  to the right of    2
125   25  to the right of   17
126   25  to the right of   18
127   25  to the right of   22

[128 rows x 3 columns]