Is the couple talking?
Yes, the couple is talking.
     src        edge_attr  dst
0      0  to the right of   19
1      0   to the left of   16
2      0   to the left of   21
3      0   to the left of   20
4      0  to the right of    9
..   ...              ...  ...
122   23   to the left of   21
123   23   to the left of   20
124   23  to the right of   19
125   23   to the left of    1
126   23   to the left of    4

[127 rows x 3 columns]