What type of furniture can be seen in the picture?
The furniture is a shelf.
     src        edge_attr  dst
0      0   to the left of   13
1      0   to the left of   16
2      0   to the left of   23
3      0   to the left of   20
4      0   to the left of   25
..   ...              ...  ...
220   31   to the left of    9
221   31   to the left of   19
222   31   to the left of   13
223   31  to the right of   28
224   31   to the left of   22

[225 rows x 3 columns]