Which material is the chair that is to the right of the wine glass made of?
The chair is made of wood.
    src        edge_attr  dst
0     1               on    0
1     1   to the left of    5
2     1   to the left of    4
3     1   to the left of    7
4     1  to the right of    6
5     2   to the left of   12
6     2   to the left of    9
7     2   to the left of   16
8     2   to the left of   10
9     3  to the right of    9
10    3  to the right of    6
11    3   to the left of    7
12    4      filled with    5
13    4   to the left of    7
14    4  to the right of    1
15    4  to the right of   13
16    5  to the right of   13
17    5  to the right of    1
18    6   to the left of    3
19    6   to the left of    1
20    6   to the left of   13
21    6   to the left of   14
22    6  to the right of   15
23    7  to the right of   14
24    7  to the right of    4
25    7  to the right of   12
26    7  to the right of    1
27    7  to the right of   13
28    7  to the right of   16
29    7  to the right of    3
30    9   to the left of   14
31    9   to the left of   16
32    9  to the right of    2
33    9   to the left of    3
34   10   to the left of   16
35   10  to the right of    2
36   11           behind   12
37   12   to the left of    7
38   12  to the right of    2
39   12  to the right of   15
40   12      in front of   11
41   13   to the left of    7
42   13  to the right of    6
43   13   to the left of    5
44   13   to the left of    4
45   14   to the left of    7
46   14  to the right of    6
47   14  to the right of    9
48   15   to the left of   16
49   15   to the left of   12
50   15   to the left of    6
51   16   to the left of    7
52   16  to the right of    9
53   16  to the right of   10
54   16  to the right of    2
55   16  to the right of   15
56   16          wearing   14