Is the man to the left or to the right of the sofa?
The man is to the left of the sofa.
     src        edge_attr  dst
0      0   to the left of   15
1      0   to the left of   16
2      0   to the left of   11
3      0   to the left of   12
4      0   to the left of    4
..   ...              ...  ...
110   18  to the right of   12
111   18  to the right of    1
112   18  to the right of    5
113   18  to the right of    6
114   18   to the left of    3

[115 rows x 3 columns]