How is the item of furniture that is on the floor called?
The piece of furniture is a couch.
    src        edge_attr  dst
0     0   to the left of   12
1     0   to the left of    3
2     0   to the left of    7
3     0           behind   17
4     1  to the right of   14
5     1  to the right of    2
6     2               on    1
7     2   to the left of    1
8     3  to the right of    0
9     3   to the left of   15
10    3  to the right of   11
11    3   to the left of    7
12    4               on    1
13    4   to the left of   15
14    5  to the right of   18
15    5  to the right of   16
16    5  to the right of   17
17    6               on    5
18    6   to the left of   10
19    6  to the right of   16
20    7               on    5
21    7   to the left of   15
22    7  to the right of    0
23    7  to the right of    3
24    9               on    5
25    9   to the left of   10
26    9  to the right of   16
27   10  to the right of    9
28   10               on    5
29   10  to the right of    6
30   11        on top of    0
31   11   to the left of    3
32   12   to the left of   15
33   12  to the right of    0
34   12  to the right of   18
35   12               on    5
36   13             with   14
37   14   to the left of    1
38   15  to the right of    3
39   15  to the right of    4
40   15               on    5
41   15  to the right of    7
42   15  to the right of   12
43   16   to the left of    9
44   16   to the left of    5
45   16               on    5
46   16   to the left of    6
47   17               on   18
48   17      in front of    0
49   17   to the left of    5
50   18   to the left of    5
51   18   to the left of   12