What is the piece of furniture that the seat is on?
The piece of furniture is a chair.
    src        edge_attr  dst
0     0  to the right of   12
1     0  to the right of    1
2     0               on    7
3     0  to the right of   11
4     1   to the left of   10
5     1   to the left of    0
6     1   to the left of    3
7     1   to the left of   12
8     1   to the left of    6
9     1   to the left of    4
10    1   to the left of    8
11    1   to the left of    7
12    3  to the right of    9
13    3  to the right of    1
14    3  to the right of    5
15    3           behind    7
16    3  to the right of   11
17    4  to the right of    1
18    4  to the right of    5
19    5               on    1
20    5   to the left of    6
21    5   to the left of    3
22    5   to the left of    4
23    6  to the right of    5
24    6  to the right of    1
25    7           behind   11
26    7               on    2
27    7  to the right of   11
28    7  to the right of    1
29    7      in front of    3
30    8  to the right of   11
31    8  to the right of    9
32    8  to the right of    1
33    9   to the left of    8
34    9   to the left of    3
35    9               on   11
36   10               on    7
37   10  to the right of    1
38   10  to the right of   11
39   11      in front of    7
40   11   to the left of    0
41   11   to the left of   12
42   11   to the left of    7
43   11   to the left of    3
44   11   to the left of   10
45   11   to the left of    8
46   12  to the right of    1
47   12   to the left of    0
48   12  to the right of   11