Are the people all the same gender?
No, they are both male and female.
     src        edge_attr  dst
0      0               on   15
1      0   to the left of    8
2      0   to the left of    2
3      0   to the left of   18
4      0   to the left of   14
..   ...              ...  ...
111   20   to the left of   13
112   21  to the right of    4
113   21   to the left of   17
114   21   to the left of    7
115   21  to the right of    9

[116 rows x 3 columns]