What material is the shelf near the rug?
The shelf is made of wood.
    src        edge_attr  dst
0     0             near    7
1     0            below    4
2     0  to the right of   12
3     0  to the right of   11
4     0   to the left of   15
..  ...              ...  ...
60   14  to the right of   12
61   15               on    2
62   15  to the right of    0
63   15  to the right of    7
64   15  to the right of   10

[65 rows x 3 columns]