Who is walking?
The women are walking.
     src        edge_attr  dst
0      0   to the left of   21
1      0  to the right of   18
2      0   to the left of   17
3      0               on   15
4      1  to the right of   11
..   ...              ...  ...
122   20  to the right of   11
123   21  to the right of    0
124   21  to the right of   18
125   21  to the right of   17
126   21      in front of   16

[127 rows x 3 columns]