Are these people the same gender?
No, they are both male and female.
    src        edge_attr  dst
0     1  to the right of   17
1     1   to the left of    7
2     2   to the left of   15
3     2  to the right of   12
4     2  to the right of   17
..  ...              ...  ...
61   18  to the right of    9
62   18  to the right of    8
63   18   to the left of    7
64   18   to the left of    5
65   18  to the right of    2

[66 rows x 3 columns]