Is the happy man to the right or to the left of the lady?
The man is to the right of the lady.
     src        edge_attr  dst
0      0   to the left of    9
1      0  to the right of   14
2      0          wearing   20
3      0   to the left of   22
4      0  to the right of   21
..   ...              ...  ...
150   23  to the right of    0
151   23  to the right of    6
152   23  to the right of   13
153   23  to the right of   15
154   23  to the right of   18

[155 rows x 3 columns]