Which type of furniture is brown?
The furniture is a couch.
    src        edge_attr  dst
0     0  to the right of   12
1     0  to the right of   19
2     2  to the right of   12
3     4   to the left of    5
4     4   to the left of   15
5     4   to the left of    8
6     5  to the right of   11
7     5  to the right of    4
8     6  to the right of    8
9     6               of   20
10    6  to the right of   17
11    6  to the right of   15
12    7  to the right of   12
13    8   to the left of    6
14    8  to the right of    4
15    8  to the right of   19
16   11   to the left of    5
17   11   to the left of   15
18   12   to the left of    7
19   12   to the left of    2
20   12   to the left of    0
21   12   to the left of   13
22   13  to the right of   12
23   15   to the left of    6
24   15          wearing    0
25   15  to the right of   11
26   15   to the left of   20
27   15          playing   10
28   15  to the right of    4
29   17   to the left of    6
30   19   to the left of    8
31   19   to the left of    0
32   20  to the right of   15