Who is talking?
The men are talking.
    src        edge_attr  dst
0     0   to the left of    6
1     0   to the left of    5
2     0  to the right of   22
3     1   to the left of   21
4     1  to the right of    2
5     2   to the left of   21
6     2   to the left of    1
7     5  to the right of    0
8     6  to the right of    0
9     7  to the right of   16
10    9   to the left of   20
11   10   to the left of   14
12   10   to the left of   24
13   11  to the right of   20
14   12  to the right of   14
15   12  to the right of   24
16   13  to the right of   24
17   13  to the right of   14
18   13             with   12
19   14   to the left of   12
20   14  to the right of   10
21   14   to the left of   24
22   14   to the left of   13
23   16   to the left of   19
24   16   to the left of    7
25   19  to the right of   16
26   19            below   20
27   20            above   19
28   20   to the left of   25
29   20   to the left of   11
30   20   to the left of   23
31   20  to the right of    9
32   21  to the right of    2
33   21  to the right of    1
34   22   to the left of    0
35   23  to the right of   20
36   24  to the right of   10
37   24   to the left of   13
38   24   to the left of   12
39   24  to the right of   14
40   25  to the right of   20