What kind of furniture is made of wood?
The furniture is a bed.
    src        edge_attr  dst
0     0   to the left of    5
1     0  to the right of   15
2     0   to the left of   11
3     2   to the left of    3
4     2   to the left of    6
5     2  to the right of   15
6     2   to the left of   11
7     3  to the right of    7
8     3  to the right of    2
9     3  to the right of   10
10    3   to the left of    6
11    3  to the right of   12
12    4  to the right of    5
13    4  to the right of    6
14    4  to the right of    9
15    4   to the left of   14
16    4               on   11
17    5   to the left of    4
18    5  to the right of    0
19    5  to the right of   15
20    5   to the left of   14
21    5   to the left of    9
22    5               on   11
23    6   to the left of    4
24    6  to the right of    3
25    6  to the right of    2
26    6               on   11
27    6   to the left of   14
28    7   to the left of   11
29    7   to the left of    3
30    8  to the right of   11
31    9   to the left of   14
32    9  to the right of    5
33    9   to the left of    4
34   10   to the left of    3
35   11  to the right of    0
36   11  to the right of    2
37   11   to the left of    8
38   11  to the right of   12
39   11  to the right of    7
40   11   to the left of   14
41   11  to the right of   15
42   12   to the left of    3
43   12   to the left of   11
44   14  to the right of    9
45   14  to the right of    4
46   14  to the right of    5
47   14  to the right of    6
48   14  to the right of   11
49   15   to the left of    0
50   15   to the left of    2
51   15   to the left of    5
52   15   to the left of   11
53   15               by   10