What item of furniture is not wooden?
The piece of furniture is a table.
    src        edge_attr  dst
0     1   to the left of   10
1     2   to the left of    5
2     2  to the right of    3
3     2   to the left of   11
4     3   to the left of   13
5     3   to the left of    5
6     3   to the left of    2
7     3  to the right of   12
8     3   to the left of   11
9     5  to the right of    2
10    5  to the right of    3
11    5   to the left of   13
12   10  to the right of    1
13   11  to the right of    3
14   11  to the right of    2
15   12   to the left of    3
16   13  to the right of    5
17   13  to the right of    3