Are all these people the same gender?
Yes, all the people are female.
    src        edge_attr  dst
0     1       sitting at    8
1     1           eating   14
2     1  to the right of    6
3     1  to the right of    9
4     1  to the right of    3
5     2   to the left of    6
6     3   to the left of   12
7     3   to the left of    1
8     4               in   16
9     4   to the left of   10
10    5  to the right of    6
11    6  to the right of    2
12    6   to the left of    1
13    6   to the left of   12
14    6   to the left of    5
15    6   to the left of   14
16    7       sitting on    8
17    7               in   16
18    7   to the left of   10
19    7  to the right of   15
20    9   to the left of   12
21    9   to the left of    1
22   10  to the right of    4
23   10  to the right of    7
24   10               in   16
25   10  to the right of   15
26   11  to the right of   15
27   11               in   16
28   12       sitting at    8
29   12  to the right of    3
30   12  to the right of    6
31   12  to the right of    9
32   12  to the right of   14
33   13   to the left of   14
34   14  to the right of    6
35   14   to the left of   12
36   14  to the right of   13
37   15               in   16
38   15   to the left of   10
39   15   to the left of    7
40   15   to the left of   11