What is on the wall?
The painting is on the wall.
    src       edge_attr  dst
0     0  to the left of   16
1     0         wearing   21
2     0  to the left of    7
3     0  to the left of   19
4     2  to the left of   20
..  ...             ...  ...
80   21  to the left of    7
81   22  to the left of    2
82   22  to the left of    7
83   22  to the left of   16
84   22  to the left of   19

[85 rows x 3 columns]