What piece of furniture is not brown?
The piece of furniture is a TV stand.
    src        edge_attr  dst
0     0  to the right of   13
1     0  to the right of   12
2     1  to the right of   11
3     1  to the right of    8
4     2   to the left of    4
5     2        on top of   13
6     2  to the right of   11
7     2   to the left of   14
8     4   to the left of   14
9     4  to the right of   13
10    4   to the left of    5
11    4  to the right of    2
12    5  to the right of   13
13    5  to the right of    4
14    6  to the right of    8
15    7  to the right of    8
16    8   to the left of    7
17    8   to the left of    6
18    8   to the left of    1
19    9       hanging on   10
20   11   to the left of   13
21   11   to the left of    1
22   11   to the left of    2
23   11   to the left of   12
24   12  to the right of   11
25   12   to the left of    0
26   12       looking at    2
27   12       sitting on    7
28   13   to the left of    4
29   13  to the right of   11
30   13   to the left of    5
31   13   to the left of    0
32   14        on top of    5
33   14  to the right of    4
34   14  to the right of    2