Are all the people in the image of the same gender?
No, they are both male and female.
    src        edge_attr  dst
0     0  to the right of   18
1     0  to the right of    4
2     0  to the right of    6
3     0  to the right of   11
4     0  to the right of    1
..  ...              ...  ...
80   17   to the left of    4
81   17   to the left of    1
82   17   to the left of    0
83   17   to the left of   13
84   18   to the left of    0

[85 rows x 3 columns]