Is the woman to the right or to the left of the man with the boy?
The woman is to the right of the man.
     src        edge_attr  dst
0      0  to the right of   21
1      0  to the right of   13
2      0  to the right of   20
3      1   to the left of   13
4      1   to the left of   12
..   ...              ...  ...
137   28  to the right of   10
138   28  to the right of   14
139   29  to the right of   22
140   29   to the left of   25
141   29               on   15

[142 rows x 3 columns]