Which kind of furniture is not wooden?
The furniture is an ottoman.
    src        edge_attr  dst
0     0  to the right of    7
1     0  to the right of    9
2     1  to the right of    6
3     2   to the left of    4
4     2  to the right of    7
5     3        on top of   10
6     4   to the left of    8
7     4          holding    6
8     4  to the right of    7
9     4  to the right of    2
10    5  to the right of    7
11    6   to the left of    1
12    6  to the right of    7
13    7   to the left of    0
14    7   to the left of    6
15    7   to the left of    5
16    7   to the left of    2
17    7   to the left of    4
18    8  to the right of    4
19    9   to the left of    0