What is the table made of?
The table is made of wood.
    src        edge_attr  dst
0     1  to the right of   15
1     1  to the right of   12
2     1   to the left of    7
3     1   to the left of    4
4     1  to the right of   11
5     1  to the right of    8
6     2  to the right of   10
7     2  to the right of    8
8     2  to the right of   11
9     2  to the right of   15
10    4       hanging on   11
11    4  to the right of    1
12    4   to the left of    7
13    5        on top of    0
14    6   to the left of   10
15    6   to the left of    8
16    6   to the left of   15
17    6   to the left of   14
18    7  to the right of    1
19    7  to the right of    4
20    8  to the right of   10
21    8  to the right of   11
22    8  to the right of   12
23    8  to the right of   14
24    8   to the left of    1
25    8   to the left of    2
26    8   to the left of    9
27    8  to the right of    6
28    9  to the right of   14
29    9  to the right of   15
30    9  to the right of    8
31    9  to the right of   10
32    9  to the right of   11
33   10   to the left of    8
34   10  to the right of    6
35   10   to the left of    2
36   10   to the left of   15
37   10   to the left of    9
38   11   to the left of    1
39   11   to the left of    8
40   11   to the left of    9
41   11   to the left of    2
42   12   to the left of    1
43   12   to the left of   15
44   12   to the left of    8
45   14   to the left of    9
46   14   to the left of   15
47   14  to the right of    6
48   14   to the left of    8
49   15  to the right of   10
50   15  to the right of    6
51   15  to the right of   14
52   15   to the left of    1
53   15   to the left of    2
54   15   to the left of    9
55   15  to the right of   12