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