Who stands by the doorway?
The people stand by the doorway.
    src        edge_attr  dst
0     1   to the left of    9
1     3   to the left of   10
2     3   to the left of   20
3     3   to the left of   13
4     3   to the left of   12
..  ...              ...  ...
60   21   to the left of   10
61   22  to the right of    6
62   22  to the right of    9
63   22  to the right of   15
64   23  to the right of   18

[65 rows x 3 columns]