Which kind of furniture is not brown?
The furniture is a drawer.
    src        edge_attr  dst
0     3   to the left of   10
1     3   to the left of    8
2     4               on    5
3     4  to the right of    7
4     4  to the right of   10
5     4  to the right of    8
6     6               on    5
7     6   to the left of    9
8     7               on    5
9     7   to the left of    4
10    8   to the left of    4
11    8  to the right of    3
12    8  to the right of   10
13    9  to the right of    6
14   10  to the right of    3
15   10   to the left of    8
16   10   to the left of    4