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