What is the blanket on?
The blanket is on the sofa.
    src        edge_attr  dst
0     0  to the right of   18
1     0               on   10
2     0   to the left of    8
3     0   to the left of    7
4     1   to the left of   15
..  ...              ...  ...
61   18   to the left of    0
62   18   to the left of   10
63   18   to the left of    8
64   18  to the right of    1
65   18  to the right of    3

[66 rows x 3 columns]