Is the curtain to the left of a chair?
No, the curtain is to the left of a person.
    src        edge_attr  dst
0     0   to the left of   18
1     0  to the right of    2
2     1  to the right of   20
3     1               in   17
4     1   to the left of   17
..  ...              ...  ...
79   23  to the right of   16
80   23  to the right of   14
81   23  to the right of   21
82   23  to the right of   18
83   23      standing on   22

[84 rows x 3 columns]