What is on the wall?
The shelf is on the wall.
     src        edge_attr  dst
0      1               on    5
1      1  to the right of   23
2      2             near   23
3      2   to the left of   23
4      2   to the left of   22
..   ...              ...  ...
120   28  to the right of   22
121   28   to the left of   12
122   28   to the left of   27
123   28   to the left of   17
124   28               on   23

[125 rows x 3 columns]