What item of furniture is not brown?
The piece of furniture is a sofa.
    src        edge_attr  dst
0     0  to the right of   17
1     1   to the left of    3
2     2               on   17
3     2          wearing    8
4     3  to the right of    4
5     3  to the right of    1
6     4   to the left of    3
7     5  to the right of   17
8     9  to the right of   10
9     9  to the right of   11
10    9  to the right of   17
11   10  to the right of   17
12   10   to the left of    9
13   11   to the left of    9
14   11  to the right of   17
15   12  to the right of   17
16   13  to the right of   17
17   16  to the right of   17
18   17   to the left of   12
19   17   to the left of   13
20   17   to the left of    0
21   17   to the left of    5
22   17   to the left of   18
23   17   to the left of    9
24   17   to the left of   16
25   17   to the left of   11
26   17   to the left of   10
27   18               on    5
28   18  to the right of   17
29   18        on top of    5