Who is talking?
The people are talking.
     src        edge_attr  dst
0      0   to the left of   17
1      0   to the left of   12
2      0   to the left of    3
3      0   to the left of   22
4      1               of   22
..   ...              ...  ...
135   22             with   21
136   23  to the right of    5
137   23   to the left of    9
138   23  to the right of   22
139   23  to the right of    1

[140 rows x 3 columns]