What is on the bench?
The pillow is on the bench.
    src       edge_attr  dst
0     0              on   18
1     0  to the left of   13
2     1              on   18
3     1  to the left of   13
4     2  to the left of   15
..  ...             ...  ...
68   18  to the left of   16
69   18  to the left of   12
70   18  to the left of   13
71   18  to the left of    9
72   18  to the left of   10

[73 rows x 3 columns]