Is the man to the left or to the right of the boy?
The man is to the left of the boy.
    src        edge_attr  dst
0     0   to the left of   17
1     1  to the right of   18
2     1  to the right of   11
3     1  to the right of   17
4     2  to the right of   18
..  ...              ...  ...
67   18   to the left of   12
68   18   to the left of   11
69   18   to the left of    1
70   19  to the right of   11
71   19  to the right of   12

[72 rows x 3 columns]