What is the piece of furniture in the living room?
The piece of furniture is a sofa.
    src        edge_attr  dst
0     0   to the left of   17
1     0   to the left of   20
2     3   to the left of   16
3     3   to the left of    8
4     3   to the left of   12
5     4   to the left of   19
6     4   to the left of    9
7     4  to the right of    8
8     4   to the left of   18
9     5   to the left of   11
10    5   to the left of   10
11    5   to the left of   12
12    5               on   11
13    5   to the left of    8
14    6  to the right of    9
15    7               in    2
16    7               on    0
17    7   to the left of   20
18    7   to the left of   17
19    8  to the right of    5
20    8  to the right of   16
21    8   to the left of    9
22    8  to the right of    3
23    8               in    2
24    8   to the left of   19
25    8   to the left of    4
26    9  to the right of    8
27    9   to the left of    6
28    9  to the right of    4
29    9   to the left of   19
30    9               in    2
31   10               in    2
32   10  to the right of    5
33   10   to the left of   15
34   10               on   11
35   11  to the right of    5
36   12  to the right of    5
37   12               on   10
38   12   to the left of   15
39   12  to the right of    3
40   12  to the right of   16
41   12               in    2
42   14               on   13
43   15  to the right of   10
44   15  to the right of   12
45   16   to the left of   12
46   16   to the left of    8
47   16  to the right of    3
48   17  to the right of    0
49   17  to the right of    7
50   18  to the right of    4
51   19  to the right of    9
52   19  to the right of    4
53   19  to the right of    8
54   20               on   16
55   20  to the right of    7
56   20  to the right of    0